Source: St. Louis, the Fourth City: Pictorial and Biographical, Deluxe Supplement (St. Louis: S.J. Clarke, 1912) Location: St.L. / 9 / St4 / supp
Last Name:	Spencer
First Name:	Horatio
Middle Name:	N.
Title:	Dr.
Photograph:	Yes
Birth Date:	1842 July 17
Volume:	2
Page:	162-165