Hale, B. (1850). A sermon, occasioned by the death of David Bates Douglass, LL.D.: Prof. mathematics etc., Geneva College, and preached in the college chapel, on the last Sunday of the term, December 19, 1849. Geneva, N.Y.: I. & S.H. Parker, Printers.

Hale, Benjamin. A Sermon, Occasioned By the Death of David Bates Douglass, LL.D.: Prof. Mathematics Etc., Geneva College, and Preached in the College Chapel, On the Last Sunday of the Term, December 19, 1849. Geneva, N.Y.: I. & S.H. Parker, Printers, 1850.

Hale, Benjamin. A Sermon, Occasioned By the Death of David Bates Douglass, LL.D.: Prof. Mathematics Etc., Geneva College, and Preached in the College Chapel, On the Last Sunday of the Term, December 19, 1849. Geneva, N.Y.: I. & S.H. Parker, Printers, 1850.