At head of title, 1926-1939: U.S. Dept. of commerce ... Bureau of the census.
1926-1927, 1929-1930, and 1931-1932 issued in one volume each.
Title varies: 1926-1930, Mental patients in state hospitals ... Statistics of admissions, discharges, and deaths during the year and of patients under care at beginning of year in state hospitals for mental disease.--1931-1932, Mental patients in state hospitals ... Statistics of mental patients in state hospitals together with brief statistics of mental patients in other hospitals for mental disease.--1933-1939, Patients in hospitals for mental disease ... [etc.] Continued in its Patients in mental institutions.