associations:
BSDA Berlin Square Dance Association
Callerlab International Association of American Square Dance Callers
EAASDC European  Association  of  American  Square  Dance  Clubs
ECTA European  Callers  and  Teachers  Association
Rising Generation Association of young european dancers and teachers (alle sections)
ROUNDALAB INTERNATIONAL ASSOCIATION OF ROUND DANCE TEACHERS, INC
Round Dance:
ECTA Round Dance Education System Find out everything you need to know about the ECTA RD Education System!
Europe
Gabrieles Round Dance Page a lot of information concerning Round Dance
Klaus-Völkl.de Klaus Völkl, Munich
Regina und Michael Schmidt Dance Sites Michael & Regina Schmidt, Cologne
Rotscheid.nl Gert-Jan & Susie Rotscheid, The Netherlands
Round Dance Server collection of cuesheets (headcues, fineprints, etc.)
schidler.de/rounddance Christian Schidler, Griesheim
USA
Curt and Tammy Worlock Curt & Tammy Worlock, FL
Richard Lamberty Richard Lamberty, FL
Ron and Mary Noble Ron & Mary Noble, AZ
Tony Speranzo's Home Page! Tony Speranzo, TX
some clubs:
Butterflies RDC Hamburg e.V.
Dreaming Pivots RDC, Berlin
Flying Toasters RDC, Kelkheim
Strolling Feet RDC, Braunschweig
Susie Q's RDC, Stuttgart
Tamara Twirlers RDC, Munich
The Minuets RDC, Schoeneck
  
Square Dance:
JörgBiewald.de Jörg Biewald, Bochum
krackau-web Krackau Family, Berlin
Steffen Knott - Square Dance Caller Steffen Knott, Bochum
www.ThorstenUeckermann.de Thorsten Ueckermann, Hamburg
some clubs:
A.C.T.S
Berlin Swinging Bears
Crazy Eights SDC Berlin e.V.
Keller-Swingers-Heidelberg
navviegehtdas.de SDC Brühl
Red Rock Hoppers SDC - Hüffelsheim
Swinging Stars Square Dance Club e.V. - Heidelberg
Texas Armadillos Heidelberg