- buchenwald.de en/geschichte/mediathek/audio/…Narrator At the young age of 18, Willem Drees decided to become politically active: He joined the social democratic party of the Netherlands.
- research.tilburguniversity.edu en/persons/willem-…Willem B. Drees, ed, Technology, Trust and Religion: Roles of Religions in Controversies on Ecology and Genetic Modification(Leiden University Press, 2009).
- wikijtr.icu wiki/Willem_Dreesdaha fazla okuma. Dört Cilt Biyografi Willem Drees 1886–1988, flemenkçede: Jelle Gaemers, De thouder: De jaren 1886–1940 "(Amsterdam: Balans, 2006).
- stringfixer.com tr/Willem_DreesBelçika Başbakanı Paul-Henri Spaak ve Başbakan Willem Drees, 10 Mart 1949'da Lahey'de bir Benelüks konferansında .
- web.archive.org save/https://tr.wikipedia.org/…Çocukları. Adriana Drees (1914–1920) Annie Drees (1911–2002) Jan Drees (1919–2002) Willem Drees, Jr.
- playback.fm person/willem-dreesFind out where Willem Drees was born, their birthday and details about their professions, education, religion, family and other life details and facts.
- turtledove.fandom.com wiki/Willem_DreesType of Appearance: Contemporary reference (unnamed). Willem Drees (5 July 1886 – 14 May 1988) was a Dutch politician of the Labour Party (PvdA).
- liquisearch.com willem_dreesWillem Drees ( Dutch pronunciation) (July 5, 1886 – May 14, 1988) was a Dutch politician of the Labour Party (PvdA).
- commons.wikimedia.org wiki/Category:Willem_DreesNederlands: Willem Drees (1886-1988) was een Nederlands politicus (minister-president 1948-1958). English: Willem Drees was a Dutch politician (Prime Minister).