The Prairie Chicken in Missouri
Schwartz, Charles W.
Birds of Missouri: Their Distribution and Abundance
South Dakota Ornithologists' Union
Butterflies and Moths of Missouri
Heitzman, Joan; J. Richard Heitzman
Robbins, Mark B.; Easterla, David A.
New Acarina. Parts I and II
Ewing, H.E.
A Guide to Birding in Missouri.
PALMER, Kay; PALMER, Bill