The geology of Pennsylvania; a government survey: with a general view of the geology of the United States, essays on coal-formation and its fossils, and a description of the coalfields of North America and Great Britain,

Vol. II, pt. I-II, paged continuously.

We the first Americans.

Mode of access: Internet.

Grasses of North America.

Mode of access: Internet.

The butterfly book: a popular guide to a knowledge of the butterflies of North America,

Each plate accompanied by guard sheet with descriptive letterpress.

Prehistoric North America /

Series title at head of t. p.

Songs of the Zeta Psi Fraternity of North America.

"Published by the direction of the Grand Chapter."

Physiological and medical observations among the Indians of southwestern United States and northern Mexico,

Microfilmed for preservation.

The history of the United States of North America,

Mode of access: Internet.

The later extinct floras of North America /

Mode of access: Internet.

The history of the United States of North America,

Mode of access: Internet.

The reptiles and amphibians of the islands of the Pacific coast of North America from the Farallons to Cape San Lucas and the Revilla Gigedos,

"Issued June 15, 1905."

The silva of North America; a description of the trees which grow naturally in North America exclusive of Mexico,

Vol. 1 is 1894

Conference on Adaptive Ecosystem Restoration and Management--Restoration of Cordilleran Conifer Landscapes of North America : June 6-8, 1996, Flagstaff, Arizona /

"June 1996."

Monograph of the bombycine moths of North America, including their transformations and origin of the larval markings and armature.

Part 3 edited by Theodore D.A. Cockerell.

A second visit to the United States of North America.

First published, London, 1849.