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01101nam a22003378a 4500 001 8FA7404C2AE111DEBFD10D06A8D7520A 005 200904161851.0 008 840105s1984 enk b 00110 eng 010 $a 84000745 020 $a 9780192814685 020 $a 0192814680 040 $d SILO 050 0 $a D639.C75 $b B43 1984 082 0 $a 940.4/86/41 $2 19 100 10 $a Beesly, Patrick, $d 1913- 245 1 $a Room 40 : $b British naval intelligence 1914-1918 / $c Patrick Beesly. 260 0 $a New York : $a New York : $b Oxford University Press, $c 1984. 263 $a 8407 300 $a p. cm. 490 0 $a Oxford paperbacks 500 $a Includes index. 504 $a Bibliography: p. 610 10 $a Great Britain. $b Room 40 $b Room 40 $x History. 650 0 $a World War, 1914-1918 $x Cryptography. 650 0 $a World War, 1914-1918 $x Secret service $z Great Britain. 740 01 $a Room forty. 939 $a 1921642 941 $a 2 952 $l NYPE343 $d 20090701080000.0 952 $l WSPF215 $d 20090701080000.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=8FA7404C2AE111DEBFD10D06A8D7520AInitiate Another SILO Locator Search