Four NASA photos of Comet Kohoutek and Skylab - Catawiki
Comet Kohoutek - Wikipedia
Skylab's Long-Haired Messenger: The Visitation of Comet Kohoutek - AmericaSpace
Comets and Asteroids - Comet C/1973 E1 (Kohoutek) on January 11, 1974 Imaged Joint Observatory for Cometary Research. Public domain Image from NASA SP-355 Comet Kohoutek | Facebook