- researchgate.net scientific-contributions/Willem-…Willem M R van den Akker's research while affiliated with Hubrecht Institute and other places.
- coretennis.net tennis-player/willem-van-den-akker…Bio, results, ranking and statistics of Willem Van Den Akker, a tennis player from India competing on the Junior, Boys international tennis tour.
- stad-en-groen.nl article/40696/in-memoriam-willem…Tijdens het 100-jarig bestaan van JUB Holland, in 2010 is een prachtige tulp naar Willem vernoemd.
- imdb.com name/nm9237872/Willem van den Akker is known for Sinterklaas en de verdwenen pakjesboot (2009).
- tennisrecruiting.net player.asp…Score. No results against unrated players. TENNIS WAREHOUSE PRODUCT REVIEW.
- myheritage.com names/willem_akker van den
- Willem married Antje Akker van den (born Neeleman) on month day 1840, at age 27 at
- Antje was born on June 20 1817, in Delft(Vrijenban).
- foodlog.nl profiel/9693/Willem van den Akker 1 uur geleden Anya Pieroen van Nestlé over samenwerking met concurrenten en supermarkten.
- terweij.com stamboom/wc07/wc07_173.htmlJan van den Akker(19 dec 1867 - 21 jul 1939)Petrus Matheus Diemer(23 aug 1869 - 6 sep 1934).