You may be interested in the following call for papers, for which computing history topics are very relevant.
The Center for Cryptologic History announces a call for papers for its biennial Symposium on Cryptologic History. The Symposium will occur on 15-16 October 2009 in Laurel, Maryland, at the Johns-Hopkins Applied Physics Laboratory located in the Baltimore-Washington corridor. We will consider all proposals relating to any aspect of cryptologic history, including topics relating to the history of computer technology development. The deadline for submission of proposals, to include a minimum two-page topic prospectus, a brief source list, and a biography, is 10 January 2009. Selected presenters will receive notification by 1 March 2009. For further information, contact Dr. Kent Sieg, Symposium coordinator, at 301-688-2336 or email@example.com.