From the enlightenment to the police state the public life of Johann Anton Pergen - Bernard, Paul P. 1929- (Univ. of Illinois Press, 1991)
Keywords: Pergen, Johann Anton <1725-1814>; Pergen, Johann Anton von -- 1725-1814; Geschichte 1700-1800; Ambtenaren; Geheime politie; Openbaar bestuur; Geschichte; Politik; Political crimes and offenses -- Austria -- Prevention -- History -- 18th century; Secret service -- Austria -- History -- 18th century; Statesmen -- Austria -- Biography; Österreich; Austria -- Politics and government -- 1740-1789; Austria -- Politics and government -- 1789-1815; Biografie