Fremming Kurt H. Expectations of mental infirmity in a sample of the Danish population Based on biographical investigation of 5500 persons in the years 1883-1887 - 1951 - Occasional papers on eugenics, 7 . Standard No.: 68060 Source: Textual Subjects--Topical Terms: SOCIOLOGY Dewey Class. No.: Y1:5:5G:372:N4, J1