www.jeremyrogers.co.uk

www.co32.org (UK)

www.contessa26.net (UK)

www.co26.com (Noord Amerika)

http://contessa32ondine.com

http://contessa32lecas.blogspot.co.uk/

https://en.wikipedia.org/wiki/Contessa_32

www.polyclassics.nl

https://www.youtube.com/c/erikaanderaa

www.clouds.nl