Rubber-content of North American plants,

"Literature cited": p. 65.

A check list of North American amphibians and reptiles,

Mode of access: Internet.

Color key to North American birds ; with bibliographical appendix /

Bibliogr.

The North American Midwest, a regional geography.

Mode of access: Internet.

The queens of American society.

Mode of access: Internet.

Catlin's notes of eight years' travels and residence in Europe with his North American Indian collection. With anecdotes and incidents of the travels and adventures of three different parties of American Indians whom he introduced to the courts of England, France and Belgium ...

Mode of access: Internet.

Bibliographical index to North American botany : or, citations of authorities for all the recorded indigenous and naturalized species of the flora of North America, with a chronological arrangement of the synonymy /

No more published.

North American flora.

Mode of access: Internet.

North American Cariceae /

Descriptive text on versos facing plates.

A monograph of the North American species of the genus Polygonum.

Mode of access: Internet.