Incoming Resources
- Citadel, New York, 1970, ©1959
- Citadel, Turnaround distributor, New York, London, 2007
- Citadel, New York, 2004
- Citadel, New York, c2004
- Citadel, Turnaround distributor, New York, London, 2008
- Citadel, Biblios, New York, Partridge Green, 2002
- Citadel, New York, 2006
- Citadel, New York, 2009