LEADER 01999nam 2200445Ia 450 001 9910693668803321 005 20100831122934.0 035 $a(CaSebORM)01120100004SI 035 $a(CKB)4100000011375903 035 $a(OCoLC)659781013 035 $a(OCoLC)ocm659781013 035 $a(EXLCZ)994100000011375903 100 $a20100831d2001 uy 0 101 0 $aeng 135 $aurunu||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe invisible cryptologists $eAfrican-Americans, WWII to 1956 /$fby Jeannette Williams with Yolande Dickerson, researcher 210 $a[Fort George G. Meade, Md.] $cCenter for Cryptologic History, National Security Agency$d2001 215 $a1 online resource (vii, 43 p.) $cill., ports 225 1 $aUnited States cryptologic history. Series 5, Early postwar period, 1945-1952 ;$vv. 5 300 $aDescription based on print version record. 300 $a"CCH-E05B-01-01"--Cover. 320 $aIncludes bibliographical references. 330 $a"The story of African-Americans employed by the National Security Agency and its predecessors. It tells of the movement of African-Americans from low-level jobs in segregated work units to their rise to key positions in NSA's structure"--Resource description page. 410 0$aUnited States cryptologic history.$nSeries 5,$pEarly postwar period, 1945-1952 ;$vv. 5. 606 $aAfrican Americans in the civil service 606 $aCryptography$zUnited States$xHistory$y20th century 615 0$aAfrican Americans in the civil service. 615 0$aCryptography$xHistory 700 $aWilliams$b Jeannette$01780277 701 $aDickerson$b Yolande$01780278 712 02$aUnited States.$bNational Security Agency/Central Security Service.$bCenter for Cryptologic History. 801 0$bUMI 801 1$bUMI 906 $aBOOK 912 $a9910693668803321 996 $aThe invisible cryptologists$94304095 997 $aUNINA