Social forces in England and America,

These essays originally appeared in various periodicals.

1970 census of population.

"Issued August 1975."

Pension and health benefits of American workers : new findings from the April 1993 Current Population Survey /

Mode of access: Internet.

Population, labor force, employment and unemployment: Duluth, 1947-1961; a sourcebook,

"A study prepared at the request of and with financial support of the Area Redevelopment Administration. Richard O. Sielaff, project director."

Madison's people, a population study.

Mode of access: Internet.

Education of the American population /

Mode of access: Internet.