Fred Braun
(1873)
Collection of Crinoids from the sub-carboniferous
Keokuk Group, Montgomery County, Indiana. Privately printed.
Ryland T.
Brown, (1852)
A Lecture on the Geology of the State of Indiana,
delivered in the Hall of the House of Representatives, at Indianapolis,
Thursday Evening, January 22, 1852. Printed by Austin H. Brown.
Ryland T.
Brown, (1854)
Geological Survey of the State of Indiana. Third
Annual Report of the Indiana State Board of Agriculture for the year 1853.
[pages 299-332] Indianapolis, Austin H. Brown, State Printer. 1854.
Ryland T.
Brown, (1855)
Report of the Naturalist of the Wabash Academy of
Science. Proceedings of the 1855 Wabash Academy of Science, p.11-18.
Guy Campbell
and Grant T. Wickwire. (1955)
Formations of Ordovician, Silurian, and Devonian
rocks in the vicinity of Hanover, Indiana.
T. E.
Hendrix. (1966)
Some geological aspects of the Carboniferous of
southern Indiana.