Wikipedia: Pioneer Venus project
- An overview of the Pioneer mission to Venus consisting of two components, launched separately: an Orbiter and a Multiprobe.
- http://en.wikipedia.org/wiki/Pioneer_Venus_project

Pioneer Venus Project Information
- Mission description and overview, with related links.
- http://nssdc.gsfc.nasa.gov/planetary/pioneer_venus.html

Pioneer Venus Orbiter
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1978-051A.html