Virulence, aggressiveness, evolution, and distribution of races of Puccinia striiformis (the cause of stripe rust of wheat) in North America, 1968-87.

"Issued February 1992"--P. [2] of cover.

The American natural history; a foundation of useful knowledge of the higher animals of North America,

Mode of access: Internet.

The history and topography of the United States of North America : brought down from the earliest period ... /

Includes index.

Who's who in railroading in North America.

"With this issue, what was formerly known as the Biographical Directory of Railway Officials of America, goes into it's ninth edition. Previous editions - all published by the Simmons-Boardmann Pub. Co. ... - appeared in 1885, 1887, 1893, 1896, 1901, 1906, 1913 and 1922."-- Foreword of year 1930.

British North America, 1763-1867,

Mode of access: Internet.

Ecoregions map of North America : explanatory note /

"Lambert azimuthal equal area"--Map.

Bark beetles of the genus Hylastes erichson in North America /

Includes index.

Taxonomy of Acrobasis larvae and pupae in Eastern North America (Lepidoptera : Pyralidae) /

Mode of access: Internet.

The Leptoconops kerteszi complex in North America : (Diptera: Ceratopogonidae) /

Issued Apr. 1978.

Host records for Lepidoptera reared in Eastern North America /

Includes bibliographical references (p. 45-49).

The Paleozoic fishes of North America /

Also issued as 51st Cong., 1st sess., House Misc. doc. no. 249.

The fleas of North America : classification, identification, and geographic distribution of these injurious and disease-spreading insects /

Contribution from Bureau of Entomology and Plant Quarantine.

United States of America before the National Labor Relations Board, Case C-142 : in the matter of United States Steel Corporation (a New Jersey Corporation), Carnegie-Illinois Steel Corporation (a New Jersey Corporation) and Steel Workers Organizing Committee and Amalgamated Association of Iron, Steel and Tin Workers of North America.

"Exihibit B. Plans of employmee representation in effect at the plants of respondent, Carnegie-Illinois Steel Corporation"--Cover.

Section Tuberarium of the genus Solanum of North America and Central America.

Bibliography: p. 236-238.

Indian story and song, from North America,

With music.