This field report was assigned the following topical and geographical subject headings by the RFE/RL: Czechoslovakia; Prisons and camps (2500) -- Plzen; Prisons and camps (2500) -- Opava; Description of Country -- Towns; Industry -- Heavy Industry; Labor -- Forced Labor; Prisons and camps (2500) -- Pankrac; Prisons and camps (2500) -- Moravia; Religion -- Monasteries; Pr