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
Comet Kohoutek - Wikipedia
The Comet Kohoutek Greatest Fiery Chariot of All Time: Joseph F. Goodavage: Amazon.com: Books
Comet Kohoutek Photographed In January 1974. Photograph by Dennis Di Cicco/science Photo Library | Fine Art America