> Publishers' series
-
Urbana, Ill.:
The Plankton of the Illinois River, 1894-1899 1 Ouantitative investigations and general results / by C. A. Kofoid
Urbana, Ill., 1903
-
Urbana, Ill.:
The Plankton of the Illinois River, 1894-1899 2 Constituent organisms and their seasonal distribution / by C. A. Kofoid
Urbana, Ill., [ca.1903]