ISON vs. Kohoutek, "Comet of the Century" - SpaceFlight Insider
C 1973 e1 hi-res stock photography and images - Alamy
Kohoutek Photos - Pitzer College Archives
Ctirad Kohoutek | Discography | Discogs
Comet of the Week: Kohoutek 1973f - RocketSTEM
DR'S. LUBOS KOHOUTEK & STEPHEN P MARAN SIGNED KOHOUTEK COMET LOCAL POST COVERS | eBay
Comet of the Week: Kohoutek 1973f - RocketSTEM
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