| Owen, Will | Old London Town | 1922 |
| Oxley, James Macdonald | Archie of Athabasca | 1893 |
| Oxley, James Macdonald | Donalblane of Darien | 1902 |
| Oxley, James Macdonald | In Paths of Peril: A Boy's Adventures in Nova Scotia | 1903 |
| Oxley, James Macdonald | My Strange Rescue and other stories of Sport and Adventure in Canada | 1895 |
| Oxley, James Macdonald | Terry's Trials and Triumphs | 1900 |
| Oxley, James Macdonald | The Boy Tramps, or Across Canada | 1896 |
| Oxley, James Macdonald | The Wreckers of Sable Island | 1897 |
| Oxley, James Macdonald | The Young Nor'-Wester [AKA Archie M’Kenzie] | 1894 |
| Oxley, James Macdonald | Ti-Ti-Pu: A Boy of Red River | 1900 |
| Paassen, Pierre van | The Tower of Terzel | 1948 |
| Pach, Walter | Ananias or the False Artist | 1928 |
| Packard, Frank Lucius | Broken Waters | 1925 |
| Packard, Frank Lucius | Jimmie Dale and the Blue Envelope Murder (Jimmie Dale #4) | 1930 |
| Packard, Frank Lucius | Jimmie Dale and the Phantom Clue (Jimmie Dale #3) | 1922 |
| Packard, Frank Lucius | Running Special | 1925 |
| Packard, Frank Lucius | The Adventures of Jimmie Dale (Jimmie Dale #1) | 1917 |
| Packard, Frank Lucius | The Dragon's Jaws | 1937 |
| Packard, Frank Lucius | The Four Stragglers | 1923 |
| Packard, Frank Lucius | The Hidden Door | 1933 |
| Packard, Frank Lucius | The Little Super | 1908 |
| Packard, Frank Lucius | The Locked Book | 1924 |
| Packard, Frank Lucius | The Red Ledger | 1926 |
| Packard, Frank Lucius | Tiger Claws | 1928 |
| Page, Lorena M. | Legendary Lore of Mackinac | 1901 |
| Paget, Violet | Belcaro: Being Essays on Sundry Æsthetical Questions | 1881 |
| Paget, Violet | Hortus Vitae: Essays on the Gardening of Life | 1904 |
| Paget, Violet | Renaissance Fancies and Studies: Being a Sequel to Euphorion | 1895 |
| Paget, Violet | The Countess of Albany | 1884 |
| Paget, Violet | The Handling of Words and Other Studies in Literary Psychology | 1923 |
| Paget, Violet | The Spirit of Rome & Laurus Nobilis | 1906 |
| Paget, Violet | Vanitas: Polite Stories | 1892 |
| Pain, Arthur Wellesley | Water Wizardry | 1922 |
| Paine, Ralph D. | Four Bells: A Tale of the Caribbean | 1923 |
| Painter, Sidney | French Chivalry: Chivalric Ideas and Practices in Mediaeval France | 1940 |
| Palmer, Ephraim Laurence | A Guide to Teaching Happy Living Through Conservation | 1953 |
| Palmer, John Leslie | Take It Crooked | 1932 |
| Palmer, John Leslie | The Seven Sleepers | 1926 |
| Panneton, Philippe | L'Héritage et autres contes | 1946 |
| Panneton, Philippe | Trente Arpents | 1938 |
| Panofsky, Erwin | Gothic Architecture and Scholasticism | 1951 |
| Parker, Dorothy | Big Blonde | 1929 |
| Parker, Dorothy | Here Lies: The Collected Stories of Dorothy Parker | 1939 |
| Parker, Gilbert | Old Québec: The Fortress of New France | 1903 |
| Parkinson, John | Paradisi in sole paradisus terrestris | 1629 |
| Parkman, Francis | Historic handbook of the northern tour. Lakes George and Champlain; Niagara; Montreal; Quebec | 1885 |
| Parks, Edd Winfield | Long Hunter | 1942 |
| Parrish, Anne | The Perennial Bachelor | 1925 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 1 of 10. From the Beginning of the War to the Landing of the British Army in France | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 2 of 10. From the Battle of Mons to the Fall of Antwerp | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 3 of 10. From the First Battle of Ypres to the End of the Year 1914 | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War Volume 4 of 10. The Story of the Year 1915 | 1916 |
| Parrott, Sir (James) Edward | The Children's Story of the War, Volume 5: The First Six Months of the Year 1916 | 1917 |
| Parrott, Sir (James) Edward | The Children’s Story of the War, Volume 6 of 10 | 1916 |
| Parrott, Sir (James) Edward | The Pageant of British History | 1908 |
| Parrott, Sir (James) Edward | The Pageant of English Literature | 1914 |
| Parsons, Reuben | Some Lies and Errors of History | 1893 |
| Parsons, Samuel Browne | Parsons on the Rose: A treatise on the propagation, culture, and history of the rose | 1888 |
| Patterson, C. R. | Tea From China | 1922 |
| Patterson, C. R. | The Sail-Dragger | 1922 |
| Patterson, C. R. | The Timber Stower | 1923 |
| Paul, Elliot | The Last Time I Saw Paris | 1942 |
| Paul, Elliot | The Life and Death of a Spanish Town | 1937 |
| Paxton, Joseph | Paxton's Magazine of Botany and Register of Flowering Plants Vol. 1 | 1834 |
| Peake, Mervyn | Gormenghast (Gormenghast #2) | 1950 |
| Peake, Mervyn | The Glassblowers | 1950 |
| Peake, Mervyn | Titus Alone (Gormenghast #3) | 1959 |
| Peake, Mervyn | Titus Groan (Gormenghast #1) | 1946 |
| Pedler, Margaret | The Guarded Halo | 1928 |
| Pedler, Margaret | To-morrow's Tangle | 1938 |
| Péguy, Charles | Les œuvres complètes de Charles Péguy [tome 01] | 1917 |
| Péguy, Charles | Les œuvres complètes de Charles Péguy [tome 02] | 1920 |
| Pemberton, Max | The Diamond Ship | 1912 |
| Peña, Leopoldo Raul Morey | Beyond the Green Prism | 1930 |
| Pennell, Joseph Stanley | The History of Rome Hanks and Kindred Matters | 1944 |
| Perkins, J. R. | The Emperor's Physician | 1944 |
| Perkins, Kenneth Taylor | Wild Paradise | 1927 |
| Perrin, Alice | Rough Passages | 1926 |
| Pertwee, Roland | Interference | 1927 |
| Pertwee, Roland | Our Wonderful Selves | 1919 |
| Pertwee, Roland | The Old Card | 1919 |
| Peterkin, Julia | Scarlet Sister Mary | 1928 |
| Pettman, Grace | The Face in the Crowd | 1934 |
| Philip, Alex | The Crimson West | 1925 |
| Philip, Alex | The Painted Cliff | 1927 |
| Philip, Alex | Whispering Leaves | 1931 |
| Phillpotts, Eden | A Deal with The Devil | 1895 |
| Phillpotts, Eden | Lycanthrope: The Mystery of Sir William Wolf | 1938 |
| Phillpotts, Eden | Pixies' Plot | 1922 |
| Phillpotts, Eden | Saurus | 1938 |
| Phillpotts, Eden | Sons of the Morning | 1900 |
| Phillpotts, Eden | The Farmer's Wife: A Comedy in Three Acts | 1917 |
| Phillpotts, Eden | The Human Boy Again | 1908 |
| Phillpotts, Eden | The Human Boy and the War | 1916 |
| Phillpotts, Eden | The Virgin in Judgment | 1908 |
| Philp, Robert Kemp | Facts for Everybody: An Encyclopædia of Useful Knowledge | 1863 |
| Pickthall, Marjorie Lowry Christie | Angels’ Shoes and other stories | 1923 |
| Pickthall, Marjorie Lowry Christie | Little Hearts | 1926 |
| Pickthall, Marjorie Lowry Christie | Matches | 1922 |
| Pickthall, Marjorie Lowry Christie | The Afterthought | 1921 |
| Pickthall, Marjorie Lowry Christie | The Worker in Sandal Wood | 1909 |
| Pickthall, Marjorie Lowry Christie | What He Wanted | 1923 |
| Pierce, Lorne Albert | New History for Old. Discussions on Aims and Methods in Writing and Teaching History | 1931 |
| Pierce, Lorne Albert | The Selected Poems of Marjorie Pickthall | 1957 |
| Pierce, Lorne Albert | Three Fredericton Poets. Writers of the University of New Brunswick and the New Dominion. Alumni Oration, Encania, May 19, 1933 | 1933 |
| Pierce, Lorne Albert | Unexplored Fields of Canadian Literature | 1932 |
| Pincock, Jenny O'Hara | Hidden Springs | 1949 |
| Piper, H. Beam | Dearest | 1951 |
| Piper, H. Beam | Down Styphon! | 1965 |
| Piper, H. Beam | Fuzzy Sapiens [The Other Human Race] (Fuzzy Sapiens #2) | 1964 |
| Piper, H. Beam | Gunpowder God | 1964 |
| Piper, H. Beam | Lord Kalvan of Otherwhen [Gunpowder God] | 1965 |
| Piper, William Samuel | The Eagle of Thunder Cape | 1924 |
| Pitkin, Walter B. | How to Write Stories | 1921 |
| Planck, Max | The Universe in the Light of Modern Physics | 1931 |
| Plath, Sylvia | The Bell Jar | 1963 |
| Plath, Sylvia | The Colossus | 1960 |
| Plato | Socratic Discourses | 1910 |
| Pletsch, Oscar | Buds and flowers of childish life | 1875 |
| Pletsch, Oscar | Child-land: picture-pages for the little ones | 1873 |
| Pletsch, Oscar | Happy spring-time in pictures by Oscar Pletsch | 1869 |
| Pletsch, Oscar | Little Folks | 1868 |
| Pletsch, Oscar | Little Lily’s Alphabet | 1865 |
| Pletsch, Oscar | Schnick schnack: trifles for the little-ones | 1867 |
| Pletsch, Oscar | The Holiday and Other Stories | 1870 |
| Plunkett, Edward 18th Baron of Dunsany | A Night at an Inn. A Play in One Act | 1916 |
| Plunkett, Edward 18th Baron of Dunsany | Atalanta in Wimbledon | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | Guerrilla | 1944 |
| Plunkett, Edward 18th Baron of Dunsany | His Sainted Grandmother | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | In Holy Russia | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | Jorkens Has a Large Whiskey | 1940 |
| Plunkett, Edward 18th Baron of Dunsany | Jorkens Remembers Africa | 1934 |
| Plunkett, Edward 18th Baron of Dunsany | Misadventure | 1954 |
| Plunkett, Edward 18th Baron of Dunsany | My Talks with Dean Spanley | 1936 |
| Plunkett, Edward 18th Baron of Dunsany | Plays for Earth and Air | 1937 |
| Plunkett, Edward 18th Baron of Dunsany | Seven Modern Comedies | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Charwoman's Shadow | 1926 |
| Plunkett, Edward 18th Baron of Dunsany | The Curse of the Wise Woman | 1933 |
| Plunkett, Edward 18th Baron of Dunsany | The Hopeless Passion of Mr. Bunyon | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Jest of Hahalaba | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Journey of the Soul | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The King of Elfland's Daughter | 1927 |
| Plunkett, Edward 18th Baron of Dunsany | The Little Tales of Smethers | 1952 |
| Plunkett, Edward 18th Baron of Dunsany | The Raffle | 1928 |
| Plunkett, Edward 18th Baron of Dunsany | The Slugly Beast | 1948 |
| Plunkett, Edward 18th Baron of Dunsany | The Sword of Welleran and Other Stories | 1908 |
| Plunkett, Edward 18th Baron of Dunsany | The Travel Tales of Mr. Joseph Jorkens | 1931 |
| Pollard, A. O. | The Murder Germ | 1937 |
| Pollock, Frank Lillie | A Cell in Etruria | 1908 |
| Pollock, Frank Lillie | Anthology of Poems | 1905 |
| Pollock, Frank Lillie | Bitter Honey | 1935 |
| Pollock, Frank Lillie | Finis | 1940 |
| Pollock, Frank Lillie | Jupiter Eight | 1936 |
| Poole, Ernest | The Harbor | 1915 |
| Poole, Reginald Heber | The Secret of Lotos Island | 1930 |
| Poole, Reginald Heber | The Wagoner's Halt Mystery | 1940 |
| Poole, Reginald Lane | Wycliffe and Movements for Reform | 1903 |
| Pope, Sir Joseph | The Day of Sir John Macdonald: A Chronicle of The First prime minister of the Dominion (Chronicles of Canada #29) | 1920 |
| Porter, Rufus | Scientific American Vol. 2 Issue 3 Oct. 10, 1846 | 1846 |
| Postl, Karl Anton | Die Erzählung des Obersten Morse | 1841 |
| Potter, Helen Beatrix | Fairy Caravan | 1929 |
| Potter, Helen Beatrix | The Tale of Little Pig Robinson | 1930 |
| Powys, T. F. (Theodore Francis) | Black Bryony | 1923 |
| Powys, T. F. (Theodore Francis) | Mark Only | 1924 |
| Powys, T. F. (Theodore Francis) | Mr Weston's Good Wine | 1927 |
| Powys, T. F. (Theodore Francis) | Mr. Tasker's Gods | 1925 |
| Powys, T. F. (Theodore Francis) | Rosie Plum and Other Stories | 1966 |
| Powys, T. F. (Theodore Francis) | The Key of the Field | 1930 |
| Powys, T. F. (Theodore Francis) | The Left Leg | 1923 |
| Powys, T. F. (Theodore Francis) | The White Paternoster and Other Stories | 1931 |
| Powys, T. F. (Theodore Francis) | Unclay | 1931 |
| Pratt, E. J. (Edwin John Dove) | Behind the Log | 1947 |
| Pratt, E. J. (Edwin John Dove) | Brébeuf and His Brethren | 1940 |
| Pratt, E. J. (Edwin John Dove) | Collected Poems | 1944 |
| Pratt, E. J. (Edwin John Dove) | Many Moods | 1932 |
| Pratt, E. J. (Edwin John Dove) | Newfoundland Verse | 1923 |
| Pratt, E. J. (Edwin John Dove) | The Fable of the Goats and Other Poems | 1937 |
| Pratt, E. J. (Edwin John Dove) | The Iron Door (An Ode) | 1927 |
| Pratt, E. J. (Edwin John Dove) | The Roosevelt and the Antinoe | 1930 |
| Pratt, E. J. (Edwin John Dove) | The Witches' Brew | 1925 |
| Pratt, E. J. (Edwin John Dove) | They are Returning | 1945 |
| Pratt, E. J. (Edwin John Dove) | Titans | 1926 |
| Pratt, E. J. (Edwin John Dove) | Towards the Last Spike. A verse-panorama of the struggle to build the first Canadian transcontinental from the time of the proposed Terms of Union with British Columbia (1870) to the hammering of the Last Spike in the Eagle Pass (1885). | 1952 |
| Pratt, Fletcher | Alien Planet | 1932 |
| Pratt, Fletcher | Danger | 1929 |
| Pratt, Fletcher | Double Jeopardy | 1952 |
| Pratt, Fletcher | Dr. Grimshaw's Sanitarium | 1934 |
| Pratt, Fletcher | Official Record | 1952 |
| Pratt, Fletcher | The Battles that Changed History | 1956 |
| Pratt, Fletcher | The Blue Star | 1952 |
| Pratt, Fletcher | The Octopus Cycle | 1928 |
| Pratt, Fletcher | The Thing in the Woods | 1952 |
| Pratt, Fletcher | The Well of the Unicorn | 1948 |
| Price-Brown, John | How Hartman Won. A Story of Old Ontario | 1903 |
| Price-Brown, John | In the van: or, The Builders | 1906 |
| Price-Brown, John | Laura the Undaunted. A Canadian Historical Romance. | 1930 |
| Price-Brown, John | The Mac's of '37 A Story of The Canadian Rebellion | 1910 |
| Pritchard, John Laurence | The Secret of Sheen | 1929 |
| Proust, Marcel | Pastiches et Mélanges | 1919 |
| Proust, Marcel | Within a Budding Grove | 1924 |
| Putman, J. Harold (John Harold) | Egerton Ryerson and Education in Upper Canada | 1912 |
| Pyle, Ernie | Brave Men | 1944 |
| Pyle, Ernie | Here is Your War | 1943 |
| Pyle, Ernie | In England | 1941 |
| Queen's Hotel | The Queen's Hotel Traveller's Guide | 1918 |
| Quiller-Couch, Arthur Thomas | My Christmas Burglary | 1920 |
| Quiller-Couch, Arthur Thomas | Q's Mystery Stories | 1937 |
| Quiller-Couch, Arthur Thomas | Shorter Stories | 1944 |
| Racine, Jean | Oeuvres, tome 1 | 1815 |
| Racine, Jean | Oeuvres, tome 5 | 1815 |
| Rackham, Arthur | Feats on the Fiord | 1914 |
| Rackham, Arthur | The Sleeping Beauty | 1920 |
| Radcliffe, Ann | A Journey made in the summer of 1794 (...) Vol. 1 | 1795 |
| Radcliffe, Ann | A Journey made in the summer of 1794 (...) Vol. 2 | 1795 |
| Radcliffe, Ann | The Italian Vol. 1 of 3 | 1797 |
| Radcliffe, Ann | The Italian, Vol. 2 of 3 | 1797 |
| Raine, William MacLeod | Bonanza (A Story of the Gold Trail) | 1921 |
| Raine, William MacLeod | Colorado | 1927 |
| Raine, William MacLeod | Four in One Westerns | 1924 |
| Raine, William MacLeod | Square-Shooter | 1934 |
| Raine, William MacLeod | Texas Man | 1928 |
| Raine, William MacLeod | The Trail of Danger | 1934 |
| Raine, William MacLeod | Troubled Waters | 1918 |
| Rainey, William | Daughters of the Dominion: A Story of the Canadian Frontier | 1908 |
| Rainey, William | The Youngest Sister: A Tale of Manitoba | 1913 |
| Ralph, Julian | On Canada's Frontier | 1892 |
| Ramsay, Edward Bannerman | Reminiscences of Scottish Life and Character | 1909 |
| Rand, Silas Tertius | The Dying Indian's Dream: A Poem | 1881 |
| Randolph, Peter | Sketches of Slave Life: or, Illustrations of the ‘Peculiar Institution’ (Second Edition) | 1855 |
| Ransome, Arthur | Coot Club [Swallows and Amazons #5] | 1934 |
| Ransome, Arthur | Great Northern? [Swallows and Amazons #12] | 1947 |
| Ransome, Arthur | Missee Lee [Swallows and Amazons #10] | 1941 |
| Ransome, Arthur | Peter Duck [Swallows and Amazons #3] | 1932 |
| Ransome, Arthur | Pigeon Post [Swallows and Amazons #6] | 1936 |
| Ransome, Arthur | Secret Water [Swallows and Amazons #8] | 1939 |
| Ransome, Arthur | Swallowdale [Swallows and Amazons #2] | 1931 |
| Ransome, Arthur | Swallows and Amazons [Swallows and Amazons #1] | 1930 |
| Ransome, Arthur | The Big Six [Swallows and Amazons #9] | 1940 |
| Ransome, Arthur | The Picts and The Martyrs: or, Not Welcome at All [Swallows and Amazons #11] | 1943 |
| Ransome, Arthur | We Didn't Mean to Go to Sea [Swallows and Amazons #7] | 1937 |
| Ransome, Arthur | Winter Holiday [Swallows and Amazons #4] | 1933 |
| Rasmussen, Vilhelm | Child Psychology I: Development in the First Four Years | 1923 |
| Rasmussen, Vilhelm | Child Psychology II: The Kindergarten Child: Its Conception of Life and Its Mental Powers | 1923 |
| Rasmussen, Vilhelm | Child Psychology III: The Kindergarten Child: Thought, Imagination and Feeling; Will and Morale | 1923 |
| Raven-Hill, L. (Leonard) | Our Battalion | 1902 |
| Raverat, Gwendolyn | Mountains & Molehills | 1934 |
| Raverat, Gwendolyn | Period Piece | 1952 |
| Raverat, Gwendolyn | Spring Morning | 1923 |
| Rawlings, Marjorie Kinnan | Cross Creek | 1942 |
| Rawlings, Marjorie Kinnan | South Moon Under | 1933 |