US Space Cover Skylab 3 Photos Kohoutek KSC Kennedy Space Center FL 2/4/1974 | eBay
Skylab
Project Skylab 2nd Photos of Kohoutek December 29, 1973 - Colorano Cachet | eBay
File:Comet Kohoutek (S74-17688).jpg - Wikimedia Commons
Skylab 4 Crew Televised Communication | NASA
File:Artist's concept of Skylab 4 astronauts observing Comet Kohoutek (S73-37274).jpg - Wikimedia Commons
File:Comet Kohoutek at perihelion from Skylab with coronagraph.jpg - Wikimedia Commons
File:Skylab brightness observations of Comet Kohoutek.png - Wikipedia
Skylab | The Space Collective
Skylab 4 hi-res stock photography and images - Alamy
SKYLAB PHOTOGRAPH COMET KOHOUTEK DEC 29,1973 CANAVERAL SPACE VOYAGE COVER | eBay
Our SpaceFlight Heritage: Skylab-4 rises and closes out U.S.' first space station - SpaceFlight Insider
Searching for Skylab
Skylab
Skylab: The flown and unflown missions - RocketSTEM
1974 NASA Photo Comet Kohoutek As Seen By Skylab 4 Crew | eBay
Skylab 1 hi-res stock photography and images - Alamy
The Skylab 4 mutiny, 1973 | libcom.org
Comet Kohoutek & Project Skylab Cachet Space Cover-Colorano Canaveral Cancel | eBay
File:Skylab astronauts talk to comet discoverer Kohoutek.jpg - Wikimedia Commons
The Real Story of the Skylab 4 “Strike” in Space | NASA
Skylab 4 - Wikipedia
