Veröffentlichungen (14):
- Sprenger, Kappy. 1968. "Pseudotropheus tropheops". Buntbarsche Bulletin. (13):3-5 (crc02380)
- Sprenger, Kappy. 1969. "Catch All". Buntbarsche Bulletin. (18):6 (crc08599)
- Sprenger, Kappy. 1969. "Catch All". Buntbarsche Bulletin. (19):10-11, 15 (crc08614)
- Sprenger, Kappy. 1969. "Controversy". Buntbarsche Bulletin. (17), p6 (crc07901) (Kurzfassung)
- Sprenger, Kappy. 1969. "The Droppers, the Eaters, and Those That Can't Quite Decide". Buntbarsche Bulletin. (18):13 (crc08602)
- Sprenger, Kappy. 1969. "To whom it may concern (especially those who have or want the fish currently marketed as Petrotilapia tridentiger!)". Buntbarsche Bulletin. (17), p7 (crc07902)
- Sprenger, Kappy. 1970. "Catch All". Buntbarsche Bulletin. (20):8-9 (crc08620)
- Sprenger, Kappy. 1970. "Guaranteed Live Delivery". Buntbarsche Bulletin. (25):19 (crc08737)
- Sprenger, Kappy. 1970. "Mbuna Briefs". Buntbarsche Bulletin. (22), p, 11 (crc02413)
- Sprenger, Kappy. 1970. "Spawning and parental care of two Geophagus species". Buntbarsche Bulletin. (24):10-15 (crc02421)
- Sprenger, Kappy. 1970. "The rusty cichlid". Tropical Fish Hobbyist Magazine. 18(12):26-40 (crc01766)
- Sprenger, Kappy. 1971. "The red hump Geophagus". Buntbarsche Bulletin. (26), p21 (crc02830)
- Sprenger, Kappy. 1973. "Pictorial Studies of Angelfish – 7 Days to 2 Months". Buntbarsche Bulletin. (38):30-31 (crc08734)
- Sprenger, Kappy. 1973. "Sexing Angels". Buntbarsche Bulletin. (38):28 (crc08733)