Harris, G. W. (1876). Interesting biographical sketch [of Gen. Michael Simpson] [microform]: Memoranda read by Geo. W. Harris, at a meeting of the Hope Fire Company of Harrisburg, of which he was an early member. [Harrisburg, Pa.: s.n..

Harris, George Washington. Interesting Biographical Sketch [of Gen. Michael Simpson] [microform]: Memoranda Read By Geo. W. Harris, At a Meeting of the Hope Fire Company of Harrisburg, of Which He Was an Early Member. [Harrisburg, Pa.: s.n., 1876.

Harris, George Washington. Interesting Biographical Sketch [of Gen. Michael Simpson] [microform]: Memoranda Read By Geo. W. Harris, At a Meeting of the Hope Fire Company of Harrisburg, of Which He Was an Early Member. [Harrisburg, Pa.: s.n., 1876.