Century of service: the first 100 years of the United States Department of Agriculture.

"Literature cited": p. 419-439

Legislative history of United States tax conventions /

Reprint of the 1962 edition published by U.S. Govt. Print. Off.

Internal revenue code.

Published: Chicago, IL : CCH,

Civil service evaluation : the role of the U.S. Office of Personnel Management : a report concerning significant actions of the Office of Personnel Management : a report to the President and the Congress of the United States /

"November 1992"--Prelim. p.

The role of delegated examining units : hiring new employees in a decentralized civil service : a report to the President and the Congress of the United States /

"August 1999"--P. [1]

Indices of agricultural production for the Western Hemisphere, excluding the United States and Cuba, 1962 through 1971 /

Chiefly tables.

United States : a growing problem for law enforcement /

Title on t.p. verso: Illegal immigration to the United States, a growing problem for law enforcement.

Indexes of agricultural production for the Western Hemisphere, excluding the United States : rev. 1958 through 1966, preliminary 1967.

Mode of access: Internet.

Fishery resources of the United States of America,

Mode of access: Internet.

Foreign agricultural trade of the United States.

Mode of access: Internet.

Water quality indices : a survey of indices used in the United States /

Includes bibliographical references.

Radiofrequency radiation levels and population exposure in urban areas of the Eastern United States /

Issued May 1978.

Evaluation of selective erosion control techniques : Piedmont region of S.E. United States /

Mode of access: Internet.

Use of solar energy to heat anaerobic digesters : part I, technical and economic feasibility study : part II, economic feasibility throughout the United States /

Mode of access: Internet.

Impacts of sediment and nutrients on biota in surface waters of the United States /

"Grant no. R804868020."