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

Mode of access: Internet.

On the diseases and derangements of the nervous system : in their primary forms and in their modifications by age, sex, constitution, hereditary predisposition, excesses, general disorder, and organic disease /

Mode of access: Internet.

Net migration of the population, 1960-70, by age, sex, and color /

Tables.