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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: American Landscape Painters, Vol. 1, Num. 26, Serial No. 26
Samuel Isham
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The Mentor: Holland, v. 2, Num. 6, Serial No. 58
Dwight L. Elmendorf
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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 Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Charles Fitzhugh Talman
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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: Beautiful Buildings of the World, Serial no. 33
Clarence Ward
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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: Scotland, the Land of Song and Scenery, Vol. 1, Num. 10, Serial No. 10, April 21, 1913
Dwight L. Elmendorf
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