Secrecy -- Political aspects -- United States -- History. / https://id.loc.gov/authorities/subjects/sh85119431 https://id.loc.gov/authorities/subjects/sh00005651 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99005024 : Wills, Garry,
Secrecy -- Social aspects -- Europe -- History. / https://id.loc.gov/authorities/subjects/sh85119431 https://id.loc.gov/authorities/subjects/sh00002758 https://id.loc.gov/authorities/subjects/sh85045631-781 https://id.loc.gov/authorities/subjects/sh99005024 : Snyder, Jon R.,
Secrecy -- Social aspects -- Italy -- History. / https://id.loc.gov/authorities/subjects/sh85119431 https://id.loc.gov/authorities/subjects/sh00002758 https://id.loc.gov/authorities/names/n79021783-781 https://id.loc.gov/authorities/subjects/sh99005024 : Snyder, Jon R.,
2009
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Secrecy -- Social aspects -- United States. / https://id.loc.gov/authorities/subjects/sh85119431 https://id.loc.gov/authorities/subjects/sh00002758 https://id.loc.gov/authorities/names/n78095330-781
--subdivisions Secret service and Underground movements under individual wars, e.g. World War, 1939-1945--Secret service; World War, 1939-1945--Underground movements