The invisible cryptologists
Subtitle: African Americans, WWII to 1956
By: by Jeannette Williams with Yolande Dickerson, researcher.
Contributors: Dickerson, Yolande.; United States. National Security Agency/Central Security Service. Center for Cryptologic History.
Series: United States cryptologic history -- v. 5.
Publisher: Center for Cryptologic History, National Security Agency
Published: 2001
Place of publication: [Fort George G. Meade, Md.]
Language: eng
Format: Microform
Number of pages: 43
Subjects: United States. -- National Security Agency -- History.; African Americans in the civil service.; Cryptography -- United States -- History -- 20th century.
Notes: Shipping list no.: 2002-0529-M.

"CCH-E05B-01-01"--Cover.

Includes bibliographical references (p. 40-43).

Also available via Internet from the NSA Web site. Address as of 11-6-02: http://www.nsa.gov/wwii/papers/invisible%5Fcryptologists.htm; current access is available via PURL.

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2002. 1 microfiche : negative.