Books in World War I (sorted alphabetically)
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On Land and Sea at the Dardanelles
T. C. Bridges
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Onlooker in France 1917-1919
Sir William Orpen
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On the Edge of the War Zone
Mildred Aldrich
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On the Fringe of the Great Fight
George Gallie Nasmith
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On the King's Service: Inward Glimpses of Men at Arms
Innes Logan
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On the right of the British line
Gilbert Nobbs
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Our Pilots in the Air
William Perry Brown
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Outdoor Girls in Army Service; Or, Doing Their Bit for the Soldier Boys
Laura Lee Hope
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Out To Win: The Story of America in France
Coningsby Dawson
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Outwitting the Hun: My Escape from a German Prison Camp
Pat O'Brien
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Over Here
Edgar A. Guest
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Over Here: Impressions of America by a British officer
Hector MacQuarrie
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Over the Canadian Battlefields
John Wesley Dafoe
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Over There: War Scenes on the Western Front
Arnold Bennett
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Over There" with the Australians
R. Hugh Knyvett
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Over the top with the 25th: Chronicle of events at Vimy Ridge and Courcellette
R. Lewis
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Over the Top With the Third Australian Division
G. P. Cuttriss
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Pan-German Programme
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Paris War Days: Diary of an American
Charles Inman Barnard
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Patriotic Schoolgirl
Angela Brazil
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Peaceless Europe
Francesco Saverio Nitti
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Peace Negotiations: A Personal Narrative
Robert Lansing
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Poems of the Great War
Various
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Private Peat
Harold Reginald Peat
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Raemaekers' Cartoon History of the War, Volume 1
