North American horticulturist.

Mode of access: Internet.

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology...and Field ornithology. The 5th ed. (entirely rev.) exhibiting the nomenclature of the American ornithologists' union...

Mode of access: Internet.

North American Bird Conservation Initiative in the United States : a vision of American bird conservation /

"September 2000."

Abridged check-list of North American birds.

Includes indexes.

Food and economic relations of North American grebes /

"Contribution from Bureau of Biological Survey."

The North American Ayrshire register; wherein every animal is traced to importation.

Mode of access: Internet.

Revised check list of the North American Noctuidae.

At head of title: North American Lepidoptera.

Life histories of North American shore birds.

"Unabridged and unaltered republication ... Part 1 was originally published in 1927 as Smithsonian Institution ... Bulletin 142; Part 2 was originally published in 1929 as Smithsonian Institution ... Bulletin 146."

Third International Symposium on the North American Vertical Datum : NAVD symposium '85, Rockville, Maryland, April 21-26, 1985 : proceedings

Mode of access: Internet.

A classification of North American Agallian leaf hoppers.

Mode of access: Internet.

North American and European fruit and tree germplasm resources inventory /

"Issued June 1981"--P. iv.

Who's who among North American authors ...

Editor: v. 2- 1925/26- A. Lawrence.

North American climatic data catalog.

Includes index.

Life histories of North American gulls and terns: order Longipennes.

Mode of access: Internet.

The North American bees of the genus Osmia (Hymenoptera: Apoidea) /

Descriptive letterpress on versos of plates.