CALL on the Web
http://edvista.com/claire/call.html

CALL di E. M. Rosch
http://polyglot.lss.wisc.edu/lss/staff/erica/CALL/

Virtual CALL Library
http://www.sussex.ac.uk/languages/1-6-6.html

EUROCALL
http://www.eurocall-languages.org/

Resources on Call, di G. Davies
http://www.camsoftpartners.co.uk/freestuff.htm