The Andean integration movement;

Mode of access: Internet.

Drug policy and agriculture : U.S. trade impacts of alternative crops to Andean coca : report to Congressional requesters /

"B-245867"--P. [1].

Beautiful butterflies of the tropics, how to collect them,

Each plate accompanied by guard sheet with descriptive letterpress.

The Manatitlans; or, A record of recent scientific explorations in the Andean La Plata, S.A.

Mode of access: Internet.

U.S. direct investment in South America's Andean Common Market, Department of Commerce : report to the Congress /

"B-172255."

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies /

Bibliography.

Butterflies; their structure, changes, and life histories.

Mode of access: Internet.

Mr. Fortescue : an Andean romance /

Mode of access: Internet.

The butterflies of the eastern United States and Canada, with special reference to New England /

Includes index.

The butterflies of Georgia.

This is a revision of bulletin no. 1, published as Georgia Naturalist Club. Transactions, v.1, no.I.

Butterflies and moths of Pacific Northwest forests and woodlands : rare, endangered, and management-sensitive species /

"Species identification"--Cover.

Butterflies. Vol. I-II. /

Each plate accompanied by leaf with descriptive letter-press.

A manual of british butterflies and moths /

Contiene : Vol. 1 - Vol. 2.

The art and architecture of ancient America; the Mexican, Maya, and Andean peoples.

Bibliography: p. 365-378.

On a collection of butterflies.

Reprints from Annals and magazine of natural history. Proceedings of the Zoological Society of London, and Transactions of the Entomological Society of London.