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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 Contest for North America, Vol. 1, No. 35, Serial No. 35
Albert Bushnell Hart
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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: Furniture and its Makers, Vol. 1, Num. 30, Serial No. 30
Charles R. Richards
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The Mentor: Great American Inventors, Vol. 1, Num. 29, Serial No. 29
H. Addington Bruce
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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: Venice, the Island City, Vol. 1, Num. 27, Serial No. 27
Dwight L. Elmendorf
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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 Revolution, Vol. 1, Num. 43, Serial No. 43
Albert Bushnell Hart
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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: The Mediterranean, Vol. 1, Num. 39, Serial No. 39, November 10, 1913
Dwight L. Elmendorf
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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: The Conquest of the Poles, Serial No. 37
Robert E. Peary
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The Mentor: Napoleon Bonaparte, Serial No. 38
Ida M. Tarbell
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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: Famous American Sculptors, Vol. 1, Num. 36, Serial No. 36
Lorado Taft
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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: Photography, Vol. 6, Num. 12, Serial No. 160, August 1, 1918
Paul Anderson
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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: Butterflies, Vol. 3, Num. 12, Serial No. 88, August 2, 1915
W. J. Holland
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The Mentor: Uncle Sam, Vol. 7, Num. 11, Serial No. 183, July 15, 1919
Albert Bushnell Hart
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The Mentor: Guynemer, The Wingèd Sword of France, Vol. 6, Num. 18, Serial No. 166, November 1, 1918
Howard W. Cook
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The Mentor: Reclaiming the Desert, Vol. 6, Num. 17, Serial No. 165, October 15, 1918
C. J. Blanchard
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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: Benjamin Franklin, Vol. 6, Num. 7, Serial No. 155, May 15, 1918
Albert Bushnell Hart
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