The only Polish journal on the history of the 20th century intelligence in connection with the breaking of the Enigma cipher machine.
Published by Dr. Zdzislaw J. Kapera (Jagiellonian University) every two years since 1990. ISSN 0867-8693. Distributed by The Enigma Press.
All back and current issues are available in England from:
M & M Baldwin
e-mail: mbaldwin2@btconnect.com
website: www.DrEnigma.org
postal address:
60 Betjeman Way, Cleobury Mortimer, KIDDERMINSTER DY14 8BB, United Kingdom