Williams, Jeannette. <br/><br/>
The invisible cryptologists  African-Americans, WWII to 1956 /  [electronic resource] : 
by Jeannette Williams with Yolande Dickerson, researcher. 
 - [Fort George G. Meade, Md.] :  Center for Cryptologic History, National Security Agency,  2001. 
 - 1 online resource (vii, 43 p.) :  ill., ports. 
 - United States cryptologic history. Series 5, Early postwar period, 1945-1952 ;  v. 5 .
 - United States cryptologic history.  Series 5,  Early postwar period, 1945-1952 ;  v. 5. .
<br/><br/> Description based on print version record.  "CCH-E05B-01-01"--Cover. 
<br/><br/>Includes bibliographical references. 
<br/><br/> "The story of African-Americans employed by the National Security Agency and its predecessors. It tells of the movement of African-Americans from low-level jobs in segregated work units to their rise to key positions in NSA's structure"--Resource description page. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Source: </label>CL0500000074  Safari Books Online 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. National Security Agency --History.
<br/><br/><label>Subjects--Topical Terms: </label><br/>African Americans in the civil service.<br/>Cryptography--History--United States--20th century.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.