Venera - Overview of the program from Wikipedia. - http://en.wikipedia.org/wiki/Venera
Venera-7: Survivor of Venusian Crash - Thirtieth anniversary commemoration of the launch of the mission. Includes a mission summary. - http://www.space.com/news/spacehistory/venera7_000817.html
Super70s.com: Venera 7 - Mission profile and picture of the payload. - http://www.super70s.com/Super70s/Science/Space/Missions/venera_7.asp
Venera Missions to Venus - Spacecraft and mission profiles from the National Space Science Data Center. - http://nssdc.gsfc.nasa.gov/planetary/venera.html
HEASARC: The Venera 13 & 14 probes to Venus - Summary of the missions including a description of instrumentation and scientific goals. Also includes a gallery of pictures. From NASA's High Energy Astrophysics Science Archive Research Center. - http://heasarc.gsfc.nasa.gov/docs/heasarc/missions/venera1314.html
HEASARC: The Venera 11 & 12 probes to Venus - Summary of the missions including a description of instrumentation and scientific goals. Also includes a gallery of pictures. From NASA's High Energy Astrophysics Science Archive Research Center. - http://heasarc.gsfc.nasa.gov/docs/heasarc/missions/venera1112.html
Venera Space Probes - Overview of the program. - http://hyperphysics.phy-astr.gsu.edu/hbase/solar/venera.html
BBCi: Exploration: Venera 4 - Overview of the mission, including a picture of the payload. - http://www.bbc.co.uk/science/space/exploration/missiontimeline/venera4.shtml