| Description | Owner | Language |
|---|---|---|
| Hetty Webdesign (company website) | Hetty Roelofs-Donkers (my sister) | Dutch |
|
Iris- en Rik Roelofs (chess site about my niece and nephew)
|
Hetty Webdesign | Dutch |
| Mark van Els Fotografie (my cousin’s photographs) | Mark van Els | Dutch |
| Mad!Studios (design, personal site) | Mad!Studios | Dutch |
| kaartjescentrum.nl (zeer uitgebreide collectie kaarten, on-line te bekijken en te bestellen) | Drukkerij Gerrits | Dutch |
| R. Todd Ehle, Violin Teacher | R. Todd Ehle | English |
| Allyson’s Violin Studio | Allyson Lyne | English |
| Violin Sheet Music | violinsheetmusic.org | English |
| Wereld Natuur Fonds (World Wildlife Fund) | WNF; WWF | Dutch |
