Sixteenth census of the United States, 1940. Characteristics by age, marital status, relationship, education, and citizenship: Minnesota.

Mode of access: Internet.

Marital status and living arrangements : March 1971.

Mode of access: Internet.

A second study of the statistics of pulmonary tuberculosis: marital infection.

Mode of access: Internet.

The accuracy of survey-reported marital status : evidence from survey records matched to social security records /

"January 1999."

Marital status and living arrangements, March 1995 (update) /

"PPL-52."