Natural landscapes of the United States / by J. Francis Macbride, Curator of Peruvian Botany.

no.27(1950)

The distributions of the native land mollusks of the Eastern United States / Leslie Hubricht.

n.s. no.24(1985)

Fishery bulletin. United States Fish and Wildlife Service.

v.68 (1970-1971)

Fishery bulletin. United States Fish and Wildlife Service.

v.65 (1965-1966)

Fishery bulletin. United States Fish and Wildlife Service.

v.67 (1968-1969)

Bulletin of the United States Fish Commission.

v.13 (1893)

Fishery bulletin. United States Fish and Wildlife Service.

v.64 (1964)

Fishery bulletin. United States Fish and Wildlife Service.

v.53=no.74 (1953)

Bulletin of the United States Fish Commission.

v.1 (1881)

Fishery bulletin. United States Fish and Wildlife Service.

v.50=no.35-40 (1941-1946)