| Oppenheim, E. Phillips | The Terrible Hobby of Sir Joseph Londe, Bart. | 1927 |
| Oppenheim, E. Phillips | The Traitors | 1902 |
| Oppenheim, E. Phillips | The Treasure House of Martin Hews | 1929 |
| Oppenheim, E. Phillips | The Way of These Women | 1914 |
| Oppenheim, E. Phillips | The Wicked Marquis | 1919 |
| Oppenheim, E. Phillips | The World’s Great Snare | 1900 |
| Oppenheim, E. Phillips | The Wrath to Come | 1924 |
| Oppenheim, E. Phillips | The Zeppelin's Passenger | 1918 |
| Oppenheim, E. Phillips | Up the Ladder of Gold | 1931 |
| Oppenheim, E. Phillips | What Happened to Forester | 1927 |
| Orczy, Baroness Emmuska | A Joyous Adventure | 1932 |
| Orczy, Baroness Emmuska | A Question of Temptation | 1925 |
| Orczy, Baroness Emmuska | Beau Brocade: A Romance | 1912 |
| Orczy, Baroness Emmuska | His Majesty's Well-Beloved: An Episode in the Life of Mr. Thomas Betteron as told by His Friend John Honeywood | 1919 |
| Orczy, Baroness Emmuska | La Capture du Mouron Rouge | 1933 |
| Orczy, Baroness Emmuska | Lady Molly of Scotland Yard | 1910 |
| Orczy, Baroness Emmuska | Le Serment | 1934 |
| Orczy, Baroness Emmuska | Leatherface: A Tale of Old Flanders | 1916 |
| Orczy, Baroness Emmuska | Marivosa | 1930 |
| Orczy, Baroness Emmuska | No Greater Love | 1938 |
| Orczy, Baroness Emmuska | Sir Percy Hits Back (Scarlet Pimpernel #9) | 1927 |
| Orczy, Baroness Emmuska | Sir Percy Leads the Band (Scarlet Pimpernel #2) | 1936 |
| Orczy, Baroness Emmuska | The Celestial City | 1926 |
| Orczy, Baroness Emmuska | The Honourable Jim | 1924 |
| Orczy, Baroness Emmuska | The Triumph of the Scarlet Pimpernel (Scarlet Pimpernel #10) | 1922 |
| Orczy, Baroness Emmuska | The Turbulent Duchess | 1935 |
| Orczy, Baroness Emmuska | The Uncrowned King | 1935 |
| Orléans, Charlotte-Elisabeth, duchesse d' | Die Briefe der Liselotte von der Pfalz, Herzogin von Orleans | 1923 |
| Orzeszkowa, Eliza | Babunia | 1907 |
| Orzeszkowa, Eliza | Panna Antonina | 1907 |
| Orzeszkowa, Eliza | Panna Róża | 1909 |
| Ossip-Lourié | La philosophie russe contemporaine | 1902 |
| Ossip-Lourié | Pensées de Tolstoï | 1898 |
| Ostenso, Martha | A Far Land | 1924 |
| Ostenso, Martha | A Man Had Tall Sons | 1958 |
| Ostenso, Martha | And the Town Talked | 1938 |
| Ostenso, Martha | Escape in Spring | 1939 |
| Ostenso, Martha | Gardenias in her hair | 1937 |
| Ostenso, Martha | Little Blue Hat | 1939 |
| Ostenso, Martha | Love Passed This Way | 1942 |
| Ostenso, Martha | Milk Route | 1948 |
| Ostenso, Martha | O River, Remember! | 1943 |
| Ostenso, Martha | Prologue to Love | 1932 |
| Ostenso, Martha | The Bridge | 1934 |
| Ostenso, Martha | The Dark Dawn | 1926 |
| Ostenso, Martha | The Doctor's Story | 1945 |
| Ostenso, Martha | The Dreamer | 1938 |
| Ostenso, Martha | The Last Mad Sky | 1935 |
| Ostenso, Martha | The Mad Carews | 1927 |
| Ostenso, Martha | The Mandrake Root | 1938 |
| Ostenso, Martha | The Stone Field | 1937 |
| Ostenso, Martha | The Storm | 1924 |
| Ostenso, Martha | The Sunset Tree | 1949 |
| Ostenso, Martha | The Waters Under the Earth | 1930 |
| Ostenso, Martha | The White Reef | 1934 |
| Ostenso, Martha | The Young May Moon | 1929 |
| Ostenso, Martha | There's Always Another Year | 1933 |
| Ostenso, Martha | Tumbleweed | 1940 |
| Ostenso, Martha | White Tryst | 1928 |
| Ostenso, Martha | Wife In Law | 1939 |
| Ostenso, Martha | Wild Geese | 1925 |
| Otway, Thomas | The Orphan, or, The Unhappy Marriage | 1680 |
| Otway, Thomas | Venice Preserv'd | 1682 |
| Oursler, Charles Fulton | Murder of a Startled Lady [About the Murder of a Startled Lady] | 1936 |
| Overton, Robert | "Lights Out!" | 1895 |
| 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 | The Beloved Brute | 1923 |
| 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 |
| Pinkerton, Kathrene | Adventure North | 1940 |
| Pinkerton, Kathrene | Fox Island | 1942 |
| 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 |