Dropout rates in the United States, 1988 /

"September 1989."

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.

Estimates of illegal aliens from Mexico counted in the 1980 United States census /

"A paper presented at the annual meeting of the Population Association of America, Pittsburgh, Pennsylvania, April 14-16, 1983."

[Persons of Hispanic origin in the United States, 1990 /

"These tables present 1990 census estimates of 28 Hispanic origin groups, based on sample tabulations, for the United States and each state"--Letter of transmittal.

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."

Dietary intake source data, United States, 1971-74 /

Tables.

Fertility tables for birth cohorts by color : United States, 1917-73 /

Mode of access: Internet.

Nutrition monitoring in the United States : an update report on nutrition monitoring /

Mode of access: Internet.

Delayed birth registration practices : vital registration areas of the United States.

Item 508.

Characteristics of pharmacists, United States /

Mode of access: Internet.