Karen J. Friedmann (1976). "Food Marketing in Copenhagen 1250–1850". Agricultural History. 50 (2): 400–413. JSTOR 3741339.
Robert Proctor (1898). "Books Printed From Types: Denmark". Index to the Early Printed Books in the British Museum. London: Kegan Paul, Trench, Trübner and Company. hdl:2027/uc1.c3450632 – via HathiTrust.
Susan Lewis Hammond (2005). "Italian Music and Christian IV's Urban Agenda for Copenhagen". Scandinavian Studies. 77 (3): 365–382. JSTOR 40920604.
Jens Thorhauge; et al. (2010), "Denmark: Libraries, Archives and Museums", in Marcia J. Bates (ed.), Encyclopedia of Library and Information Sciences, Boca Raton, Florida: CRC Press, ISBN 9780849397127
Danish National Museum General Guide, Copenhagen: The Museum, 1900, OL 7080820M
"Timeline". Hans Christian Andersen. Online Exhibitions. British Library. 2005.
Ning de Coninck-Smith (1992). "Copenhagen Children's Lives and the Impact of Institutions, c. 1840–1920". History Workshop (33): 57–72. JSTOR 4289139.
Ning de Coninck-Smith (1990). "Where Should Children Play? City Planning Seen From Knee-Height: Copenhagen 1870 to 1920". Children's Environments Quarterly. 7 (4): 54–61. JSTOR 41514760.
Mary H. Munroe (2004). "Blackwell Timeline". The Academic Publishing Industry: A Story of Merger and Acquisition. Archived from the original on 20 October 2014 – via Northern Illinois University.
Webster's Geographical Dictionary, Springfield, Massachusetts: G. & C. Merriam Co., 1960, OL 5812502M
Megargee, Geoffrey P.; Overmans, Rüdiger; Vogt, Wolfgang (2022). The United States Holocaust Memorial Museum Encyclopedia of Camps and Ghettos 1933–1945. Volume IV. Indiana University Press, United States Holocaust Memorial Museum. p. 385. ISBN 978-0-253-06089-1.
This article incorporates information from the Danish Wikipedia.