GALLERY: Jiri Svengsbir on January 22, 2019 Get link Facebook X Pinterest Email Other Apps 1957 Czechoslovakia, 300th Anniversary of Publication of Komensky's 'Opera Didactica Omnia', Komensky's Mausoleum Komensky at work Illustration from Opera Didactica Omnia 1967 Czechoslovakia, Prague Castle, St. Wenceslas' Crown, Mlada Fronta souvenir sheet
