Museum Boijmans Van Beuningen (English Wikipedia)

"Art Looting Intelligence Unit (ALIU) Reports 1945-1946 and ALIU Red Flag Names List and Index". www.lootedart.com. Retrieved 2021-11-13. Hannema, Dr Dirk. Rotterdam. Ex-director of Boymanns Museum. Principal collaborator in Dutch art world. Member of Seyss-Inquart organisation. Adviser to Goering on art exchanges with Kroeller-Mueller Museum. Believed to be in Dutch custody (May 1945).
"Museum Boijmans Van Beuningen Newsroom". boijmans.pr.co. Retrieved 2021-11-13.

lostart.de

"Ook 2015 weer een goed jaar voor musea", NOS, 2015. Retrieved 15 January 2016. (in Dutch)

Daan van Lent & Pieter van Os, "Musea doen het goed: aantal bezoekers in 2013 fors gestegen", NRC Handelsblad, 2013. Retrieved on 5 August 2014. (in Dutch)

Siegal, Nina (2018-11-11). "In a Netherlands Museum Director, the Nazis Found an Ally". The New York Times. ISSN 0362-4331. Retrieved 2021-11-13.

Museum Boijmans Van Beuningen Archived 2016-03-04 at the Wayback Machine, Stadsarchief Rotterdam. Retrieved on 5 August 2014. (in Dutch)

"Boijmans Foundation and Rotterdam museum disagree over war loot issue". The Art Newspaper - International art news and events. 2001-06-30. Archived from the original on November 13, 2021. Retrieved 2021-11-13.

Henny de Lange, "Het charme-offensief van Sjarel Ex werkt", Trouw. Retrieved on 5 August 2014. (in Dutch)

Museum Boijmans Van Beuningen Archived 2016-03-04 at the Wayback Machine, Stadsarchief Rotterdam. Retrieved on 5 August 2014. (in Dutch)
"The Netherlands Is Still Hoarding a Massive Collection of Art Looted From Jews by Nazis". Haaretz. Archived from the original on 2020-09-08. Retrieved 2021-11-15.
"Boijmans Foundation and Rotterdam museum disagree over war loot issue". The Art Newspaper - International art news and events. 2001-06-30. Archived from the original on November 13, 2021. Retrieved 2021-11-13.
"Boijmans TV Season 2 - ARTtube". Archived from the original on 2011-02-13.
Jaarverslag 2013 Archived 2016-03-29 at the Wayback Machine, Museum Boijmans Van Beuningen, 2014. Retrieved on 28 June 2014.

Siegal, Nina (2018-11-11). "In a Netherlands Museum Director, the Nazis Found an Ally". The New York Times. ISSN 0362-4331. Retrieved 2021-11-13.