Investment in Peru; basic information for United States businessmen.

Mode of access: Internet.

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.

American foreign policy, based upon statements of presidents and secretaries of state of the United States and of publicists of the American republics,

Mode of access: Internet.

Trade of the United States with Cuba in ... /

"Prepared by the Divisions of Regional Information and Business Review in cooperation with the Division of Foreign Trade Statistics."

Census of the Virgin islands of the United States, November 1, 1917. /

"The section of the report relating to population was prepared by Dr. Alba M. Edwards, expert special agent of the Division of population, and the section relating to agriculture was prepared by Mr. Arthur J. Hirsch, expert special agent of the Division of agriculture". -p. 9.

Investment in Central America; basic information for United States businessmen.

Bibliography: p.271-273.

Investment in Cuba; basic information for United States businessmen.

Bibliographical footnotes.

Fishery resources of the United States of America,

Mode of access: Internet.

Fresh fruit and vegetable unloads in western cities by commodities, states and months /

Mode of access: Internet.

Fresh fruit and vegetable unloads in southern cities by commodities, states, and months /

Mode of access: Internet.

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

Includes bibliographical references.

General information on applying for registration of pesticides in the United States.

"June, 1989."

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.