Skip to main content


We are in the process of rolling out a soft launch of the RDA website, which includes a new member platform. Existing RDA members PLEASE REACTIVATE YOUR ACCOUNT using this link: Visitors may encounter functionality issues with group pages, navigation, missing content, broken links, etc. As you explore the new site, please provide your feedback using the UserSnap tool on the bottom right corner of each page. Thank you for your understanding and support as we work through all issues as quickly as possible. Stay updated about upcoming features and functionalities:


Dear Claire!
Thanks for this great effort! On first view, this is an excellent
selection and summary from the many things that were thrown on you. It
sparkles with diamonds from many very good sources.  I will meditate
over the day and eventually comment. Thanks to all! Your work really
moves towards a very useful outcome.
Looking forward,
greetings from Vienna,