The Notorious Impostor (1692); Diego Redivivus (1692)

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

Chosen Peoples Being the First "Arthur Davis Memorial Lecture" delivered before the Jewish Historical Society at University College on Easter-Passover Sunday, 1918/5678

The History of University Education in Maryland The Johns Hopkins University (1876-1891). With supplementary notes on university extension and the university of the future