Studies in the Psychology of Sex, Volume 4
Studies in the Psychology of Sex, Volume 3
Studies in the Psychology of Sex, Volume 2
Studies in the Psychology of Sex, Volume 1
Studies in the Poetry of Italy, Part I. Roman
Studies in the Poetry of Italy, Part II. Italian
Studies in the Life of the Christian: His Faith and His Service
Studies in the Epistle of James
Studies in the Art of Rat-catching
Studies in Spermatogenesis (Part 2 of 2)
Studies in Spermatogenesis (Part 1 of 2)
Studies in Song
Studies in Prophecy
Studies in Old Testament History
Studies in Moro History, Law, and Religion
Studies in Mediæval Life and Literature