SKYLAB PHOTOGRAPH COMET KOHOUTEK DEC 29,1973 CANAVERAL SPACE VOYAGE COVER | eBay
File:Skylab astronauts talk to comet discoverer Kohoutek.jpg - Wikimedia Commons
Skylab 4 hi-res stock photography and images - Alamy
The Real Story of the Skylab 4 “Strike” in Space | NASA
Con Stoitsis on Twitter: "On this day in 1973 Comet Kohoutek-Skylab became the first comet photographed from space. NASA picture. https://t.co/B7matE7tOT" / Twitter
A Dumb Decision': Remembering the Final Mission to Skylab, 45 Years Ago - AmericaSpace
SKYLAB PHOTOGRAPH COMET KOHOUTEK DEC 26,1973 KSC SPACE VOYAGE COVER | eBay
Skylab 1 hi-res stock photography and images - Alamy
Kohoutek, the Christmas Comet: Skylab Mission Expanded? | Science