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The Mentor: Painters of Western Life, Vol 3, Num. 9, Serial No. 85, June 15, 1915
Arthur Hoeber
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The Mentor: Butterflies, Vol. 3, Num. 12, Serial No. 88, August 2, 1915
W. J. Holland
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The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916
William T. Hornaday
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The Mentor: American Naturalists, Vol. 7, Num. 9, Serial No. 181, June 15, 1919
Ernest Ingersoll
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The Mentor: American Landscape Painters, Vol. 1, Num. 26, Serial No. 26
Samuel Isham
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The Mentor: The Wife in Art, Vol. 1, Num. 28, Serial No. 28
Gustav Kobbé
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The Mentor: Makers of Modern Opera, Vol. 1, Num. 47, Serial No. 47
Henry Edward Krehbiel
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The Mentor: American Miniature Painters, January 15, 1917, Serial No. 123
Elizabeth Lounsbery
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The Mentor: American Novelists, Vol. 1, No. 25
Hamilton Wright Mabie
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The Mentor: American Pioneer Prose Writers,
Hamilton Wright Mabie
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The Mentor: Famous English Poets, Vol. 1, Num. 44, Serial No. 44
Hamilton Wright Mabie
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The Mentor: Walter Scott, Vol. 4, Num. 15, Serial No. 115, September 15, 1916
Hamilton Wright Mabie
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The Mentor: Two Early German Painters, Dürer and Holbein, Vol. 1, Num. 48, Serial No. 48
Frank Jewett Mather
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The Mentor: Makers of American Fiction, Vol. 6, Num. 14, Serial No. 162, September 1, 1918
Arthur Bartlett Maurice
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The Mentor: Historic Spots of America, Vol. 1, Num. 32, Serial No. 32
Robert McNutt McElroy
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The Mentor: Chinese Rugs, Vol. 4, Num. 2, Serial No. 102, March 1, 1916
John Kimberly Mumford
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The Mentor: Bolivia, vol. 5, Num. 18, Serial 142, November 1, 1917
E. M. Newman
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The Mentor: The Virgin Islands of the United States of America, Vol. 6, Num. 13, Serial No. 161, August 15, 1918
E. M. Newman
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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: The Metropolitan Museum of Art, Vol. 6, Num. 9, Serial No. 157, June 15, 1918
Sydney P. Noe
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The Mentor: The Conquest of the Poles, Serial No. 37
Robert E. Peary
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The Mentor: Furniture and its Makers, Vol. 1, Num. 30, Serial No. 30
Charles R. Richards
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The Mentor: Famous American Sculptors, Vol. 1, Num. 36, Serial No. 36
Lorado Taft
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The Mentor: The Weather
Charles Fitzhugh Talman
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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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