Studies on Slavery, in Easy Lessons

Slavery in Pennsylvania A Dissertation Submitted to the Board of University Studies of the Johns Hopkins University in Conformity with the Requirements for the Degree of Doctor of Philosophy, 1910

Trees Every Child Should Know_ Easy Tree Studies for All Seasons of the Year

Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place

Philippian Studies Lessons in Faith and Love from St. Paul's Epistle to the Philippians

Object Lessons on the Human Body A Transcript of Lessons Given in the Primary Department of School No. 49, New York City