The Algæ of the Arctic sea. A survey of the species, together with an exposition of the general characters and the development of the flora,

"List of literature": p. 325-332.

Soil survey, Nottoway County, Virginia

"Literature cited": p. 85.

Soil survey, Mathews County, Virginia

Cover title.

Soil survey, Northumberland and Lancaster Counties, Virginia

Cover title.

A presidential survey from Washington to Hoover, inclusive /

Mode of access: Internet.

Soil survey of the Santa Barbara area, California /

United States Department of Agriculture in cooperation with the University of California Agricultural Experiment Station.

The new American literature, 1890-1930,

Cover and spine title: The new American literature; a survey.

Soil survey of the Coalinga area, California /

"Literature cited": p. 91.