Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1897)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1897)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1897)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1897)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1897)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc., etc.], 1918)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Report of the state zoölogist - Herrick, C. L. (Clarence Luther), 1858 -1904 (1895)

A revision of the North American species of Diaptomus - Marsh, C. Dwight (Charles Dwight), 1855 -1932 (s.n, 1907)

A revision of the North American species of Diaptomus - Marsh, C. Dwight (Charles Dwight), 1855 -1932 (s.n, 1907)

A revision of the North American species of Diaptomus - Marsh, C. Dwight (Charles Dwight), 1855 -1932 (s.n, 1907)

A revision of the North American species of Diaptomus - Marsh, C. Dwight (Charles Dwight), 1855 -1932 (s.n, 1907)

Second report of the State Zoologist, including a synopsis of the Entomostraca of Minnesota - Herrick, C. L. (Clarence Luther), 1858 -1904 ([Pioneer Press], 1895)

Second report of the State Zoologist, including a synopsis of the Entomostraca of Minnesota - Herrick, C. L. (Clarence Luther), 1858 -1904 ([Pioneer Press], 1895)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1904)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1904)

Tulane studies in zoology - Tulane University. (Tulane University, 1954)

Tulane studies in zoology - Tulane University. (Tulane University, 1954)

Tulane studies in zoology - Tulane University. (Tulane University, 1955)

Zoological series - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey, 1895)

Zoological series - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey, 1895)

Zoologische Jahrbücher Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1911)

Zoologische Jahrbücher Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1911)

Zoologische Jahrbücher Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1911)

Zoologische Jahrbücher Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1911)