Sources
Personnel file of Richard Adank
Richard Adank’s personnel file with contents from the 1930s to the 1950s is preserved in the Landesarchiv NRW Abteilung Ostwestfalen-Lippe (State Archives of North-Rhine Westphalia, East Westphalia-Lippe branch). It contains handwritten resumes, recommendations for promotion, credentials, and passport photos of the police officer.
Personalakte Richard Adank, Landesarchiv NRW Abteilung Ostwestfalen-Lippe, D 99 Nr. 15333

