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The Mentor: The Conquest of the Poles, Serial No. 37
Robert E. Peary
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The Mentor: Angels in Art, Vol. 1, Num. 40
John C. Van Dyke
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The Mentor: American Mural Painters, vol. 2, Num 15, Serial No. 67, September 15, 1914
Arthur Hoeber
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The Mentor: Russian Music, Vol. 4, Num. 18, Serial No. 118, November 1, 1916
Henry T. Finck
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The Mentor: Famous Composers, Vol. 1, Num. 41, Serial No. 41
Henry T. Finck
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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: American Pioneer Prose Writers,
Hamilton Wright Mabie
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The Mentor: Rembrandt, Vol. 4, Num. 20, Serial No. 120, December 1, 1916
John C. Van Dyke
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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: Butterflies, Vol. 3, Num. 12, Serial No. 88, August 2, 1915
W. J. Holland
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The Mentor: Shakespeare's Country, Vol. 4, Num. 8, Serial No. 108, June 1, 1916
William Winter
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The Mentor: Beautiful Buildings of the World, Serial no. 33
Clarence Ward
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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: The Cradle of Liberty, Vol. 6, Num. 10, Serial No. 158, July 1, 1918
Albert Bushnell Hart
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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: Among the Ruins of Rome, Vol. 1, Num. 46, Serial No. 46
George Willis Botsford
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The Mentor: Spain and Gibraltar, Vol. 1, Num. 31, Serial No. 31, September 15, 1913
Dwight L. Elmendorf
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The Mentor: Joan of Arc, v. 3, Num. 22, Serial No. 98, January 1, 1916
Ida M. Tarbell
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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: Historic Spots of America, Vol. 1, Num. 32, Serial No. 32
Robert McNutt McElroy
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The Mentor: Venice, the Island City, Vol. 1, Num. 27, Serial No. 27
Dwight L. Elmendorf
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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: The Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Charles Fitzhugh Talman
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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: Famous English Poets, Vol. 1, Num. 44, Serial No. 44
Hamilton Wright Mabie
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