Kennedy Space Center: The Apollo-Soyuz Test Project
Designed to test the compatibility of rendezvous and docking systems for American and Soviet spacecraft, to open the way for international space rescue as well as future joint manned flights.
www-pao.ksc.nasa.gov/kscpao/history/astp/astp.html
Apollo-Soyuz Test Project (ASTP)
Features an overview of the program along with the extensive 1975 press release.
science.ksc.nasa.gov/history/astp/astp.html