English: Chart showing the number of sterilizations reported to the central authority, Medicinalstyrelsen or Socialstyrelsen, between 1935 and 1979 and the various indications for operations performed between 1941 and 1975. When, in January 1976, permission was no longer needed, the number of sterilizations skyrocketed.

Sources:

• Tydén, Mattias (٢٠٠٢) (swe) Från politik till praktik: de svenska steriliseringslagarna 1935-1975، Stockholm studies in history, 0491-0842 ; 63 (2., utvidgade uppl. ed.)، ستوكهولم: Almqvist & Wiksell International ISBN: 91-22-01958-8.
• (swe) (1913-1982) Allmän hälso- och sjukvård [Elektronisk resurs]، ستوكهولم