The small bottom and shore fauna of the middle and lower Illinois River and its connecting lakes, Chillicothe to Grafton : its valuation, its sources of food supply, and its relation to the fishery / by Robert E. Richardson.
- Urbana, Ill., Printed by authority of the state of Illinois, 1921.
p. -522,  folded leaves of plates : ill., map, 26 cm.
- Bulletin (Illinois. Natural History Survey Division) ; v. 13, article 15.
Bulletin / Illinois. Natural History Survey Division ; v. XIII, article XV