LEADER 01455nam  2200397   450 
001 9910703464303321
005 20141021125128.0
035   $a(CaSebORM)01120100005SI
035   $a(CKB)4100000011376006
035   $a(OCoLC)893484406
035   $a(EXLCZ)994100000011376006
100   $a20141021d2013      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aMasked dispatches $ecryptograms and cryptology in American history, 1775-1900 /$fRalph E. Weber
205   $aThird edition.
210  1$a[Fort George G. Meade, MD] :$cCenter for Cryptologic History, National Security Agency,$d2013.
215   $a1 online resource (xvi, 202 pages) $cillustrations
225 1 $aUnited States cryptologic history. Series 1, Pre-World War I ;$vv. 1
300   $aTitle from title screen (viewed Oct. 20, 2014).
300   $a"CCH-EC-02-03."
320   $aIncludes bibliographical references (pages 225-227).
517   $aMasked Dispatches
606   $aCryptography$zUnited States$xHistory
615  0$aCryptography$xHistory.
700   $aWeber$b Ralph E$g(Ralph Edward),$f1926-$01410969
712 02$aUnited States.$bNational Security Agency/Central Security Service.$bCenter for Cryptologic History,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910703464303321
996   $aMasked dispatches$93500989
997   $aUNINA