"Zinck, Maria Elisabeth, f. Thomsen" (in Danish). Salmonsens konversationsleksikon, Bind XXV: Werth-Øyslebø. 1930. p. 618. Retrieved 8 April 2021.
Bricka, Carl Frederik; Thrane, C. (1905). "Zinck, Marie Elisabeth" (in Danish). Dansk biografisk Lexikon XIX Vind - Oetken. pp. 318–320. Retrieved 9 April 2021.{{cite web}}: CS1 maint: multiple names: authors list (link)