The invisible cryptologists : African Americans, WWII to 1956 / by Jeannette Williams with Yolande Dickerson, researcher.

Author/creator Williams, Jeannette
Other author Dickerson, Yolande.
Other author United States. National Security Agency/Central Security Service. Center for Cryptologic History.
Format Microform
Publication Info[Fort George G. Meade, Md.] : Center for Cryptologic History, National Security Agency, 2001.
Descriptionvii, 43 p. : ill. ; 28 cm.
Supplemental Contenthttps://purl.fdlp.gov/GPO/LPS23465
Subjects

SeriesUnited States cryptologic history. Series V. The early postwar period, 1945-1952 ; v. 5
United States cryptologic history. Series 5, Early postwar period, 1945-1952 ; v. 5. ^A862064
General note"CCH-E05B-01-01"--Cover.
General noteShipping list no.: 2002-0529-M.
General noteGPO Cataloging Record Distribution Program (CRDP).
Bibliography noteIncludes bibliographical references (p. 40-43).
Other formsAlso 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.
Reproduction noteMicrofiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2002. 1 microfiche : negative.
GPO item number0306 (MF)
GPO item number0306 (online)
Govt. docs number D 1.2:C 88/3