- infogalactic.com info/Ir.D.F._WoudagemaalThe ir. D.F. Woudagemaal is a pumping station in the Netherlands, and the largest still operational steam-powered pumping station in the world.
- everipedia.org wiki/lang_en/Ir.D.F._WoudagemaalD.F. Woudagemaal) is a pumping station in the Netherlands, and the largest still operational steam-powered pumping station in the world.
- tripadvisor.co.nz Attraction_Review-g1045111-…The D.F. Woudagemaal has been on the UNESCO World Heritage List since 1998.
- es-academic.com dic.nsf/eswiki/615299La estación de bombeo a vapor de D.F. Wouda (en neerlandés: Ir. D.F. Woudagemaal) es la más importante estación de bombeo a vapor, aún activa, en el mundo.
- daguitje.nl uitjes/ir-d-f-woudagemaal/Het Woudagemaal is het grootste stoomgemaal ter wereld dat vandaag de dag nog steeds werkende is.
- emilyjeanhall.com ir-df-woudagemaalIr. D.F. Woudagemaal is a water pump station in the Netherlands. My designs were created as a class project to rebrand a UNESCO World Heritage Site.
- tripadvisor.com.tr HotelsNear-g1045111-d321250-…"En İyi Değeri Sunan" kriterine göre UNESCO World Heritage Ir. D.F. Woudagemaal yakınlarındaki oteller bölgesinde 122 işletme arasında 1. sırada.
- http://tours-tv.com en/Ir-D-F-Woudagemaalvideo Ir.D.F. Woudagemaal - map, Detailed interactive map, Information.
- matrijs.com boek/the-ir-d-f-woudagemaal-world-…The Frisian landscape near the village of Lemmer is home to an extraordinary feat of hydraulic engineering: the Ir. D.F. Woudagemaal.