| The Mentor: Angels in Art, Vol. 1, Num. 40
John C. Van Dyke | |
| The Mentor: Beautiful Buildings of the World, Serial no. 33
Clarence Ward | |
| The Mentor: Belgium the Brave, Vol. 8, Num. 3, Serial No. 199, March 15, 1920
Ruth Kedzie Wood | |
| The Mentor: Benjamin Franklin, Vol. 6, Num. 7, Serial No. 155, May 15, 1918
Albert Bushnell Hart | |
| The Mentor: Bolivia, vol. 5, Num. 18, Serial 142, November 1, 1917
E. M. Newman | |
| The Mentor: Butterflies, Vol. 3, Num. 12, Serial No. 88, August 2, 1915
W. J. Holland | |
| The Mentor: Chinese Rugs, Vol. 4, Num. 2, Serial No. 102, March 1, 1916
John Kimberly Mumford | |
| The Mentor: Egypt, the Land of Mystery, Serial No. 42
Dwight L. Elmendorf | |
| The Mentor: Famous American Sculptors, Vol. 1, Num. 36, Serial No. 36
Lorado Taft | |
| The Mentor: Famous Composers, Vol. 1, Num. 41, Serial No. 41
Henry T. Finck |
