1. FC Köln | Köln | O Fortuna | Fortuna Sittard | Fortuna | Jeric Fortuna | Collegium Vocale Köln | Meckenheim (Bz Köln) | Köln International School of Design | Köln 99ers | Hochschule für Musik und Tanz Köln | SOKO Köln | KOLN | Fortuna (mythology) | Fortuna Glacier | Fortuna, California | Fortuna '54 Geleen | Akaflieg Köln LS11 |
After his spell in Stuttgart, where Buhtz had worked with future stars such as Jürgen Klinsmann or Guido Buchwald, he all but retired, only taking over at 2nd Bundesliga side Fortuna Köln for a few months in the 1986–87 season.