Bibliografía (18 obras)
Malawi Cichlids in their Natural Habitat, New 5th Revised & Expanded Edition 2016
2016
The Fishes of Pennsylvania
Celebrating Cichlids from Lakes Malawi and Tanganyika
2005
The Cichlid Diversity of Lake Malawi/Nyasa/Niassa
2004
Guide to Malawi Cichlids
2003
Das Back-to-nature-Handbuch für Malawibuntbarsche
Enjoying Cichlids
2002
Back to Nature
2001
Malaŵicichlids in hun natuurlijke omgeving
1997
Guide to Tanganyika Cichlids
1996
Malaŵi cichlids in their natural habitat
1995
Geheimnisse des Tanganjikasees
1992
The cichlids yearbook
1991
Konings' Book of Cichlids and All the Other Fishes of Lake Malawi
1990
Malawi Cichlids in their Natural Habitat
1989
Cichlids from Central America
Tanganyika Cichlids
1988
