- Robinson, E. S. (1898). The Ministerial Directory of the Presbyterian Church.
http://books.google.com/books?id=9WXozG4cLPIC - General catalogue of the McCormick theological seminary of the Presbyterian Church.
http://books.google.com/books?id=cHU7AAAAYAAJ - Beecher, W. J. (1883). Index of Presbyterian ministers containing the names of all the ministers of the Presbyterian Church in the United States of America, with references to the pages on which those names are found in its records and minutes, from A.D. 1706-1881. Philadelphia: Presbyterian Board of Publication in Philadelphia.
http://openlibrary.org/books/OL13506668M/Index_of_Presbyterian_ministers
Anti-slavery in Illinois
Beasley, N. M. (2013). The underground railroad in DeKalb County, Illinois. Jefferson, North Carolina: McFarland & Company, Inc., Publishers.