Our snail-mail address is:
P.O. Box 626, Alameda CA 94501
We can be reached by telephone at the number below. If no one is in the office you can leave a message with our answering machine.
Tel: (510) 601-6460
Finally, it is easiest to contact us by email at csh@gn.apc.org (info@socialisthistory.org unavailable as of June 2016)