Related sites:

• debeers.com

  De Beers Jewellers | The Home of Diamonds since 1888

• degruyter.com

  De Gruyter Online – Academic publishing

  

• tauday.com

  Tau Day | No, really, pi is wrong: The Tau Manifesto by Michael Hartl

  

• dephoto.biz

  DE Photo - UK & Ireland’s Largest School, Sport, Corporate & Event Photography Company

  

• alpinexpe.ro

  

• mangashop.ro

  Manga Shop - magazinul tau de manga si comics

  

• deagostini.co.uk

  De Agostini Publishing collections