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The Mentor: The Incas, vol. 6, num. 3, Serial No. 151, March 15, 1918
Osgood Hardy
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The Mentor: Italy Under War Conditions, Vol. 6, Num. 23, Ser. No. 171, January 15, 1919
E. M. Newman
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The Mentor: American Landscape Painters, Vol. 1, Num. 26, Serial No. 26
Samuel Isham
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The Mentor: Game Birds of America, Vol. 1, Num. 34, Serial No. 34
Edward Howe Forbush
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The Mentor: Holland, v. 2, Num. 6, Serial No. 58
Dwight L. Elmendorf
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The Mentor: Belgium the Brave, Vol. 8, Num. 3, Serial No. 199, March 15, 1920
Ruth Kedzie Wood
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The Mentor: The Yosemite Valley, Vol 4, Num. 16, Serial No. 116, October 2, 1916
Dwight L. Elmendorf
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The Mentor: The Mediterranean, Vol. 1, Num. 39, Serial No. 39, November 10, 1913
Dwight L. Elmendorf
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The Mentor: The Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Charles Fitzhugh Talman
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