al catalogues (AK Or II and AK Or III) are specialised subject catalogues dedicated to the Oriental printed works of Staatsbibliothek zu Berlin and its precursors (Königliche Bibliothek, Preußische St [...] titles from various Asian and African scripts. AK Or II lists works published up to 1974 according to the rules of “Preußische Instruktionen (PI)“. AK Or III indexes works published from 1975 up to ca [...] World War II: AK-Or II (publications up to 1974, acquisitions of Preußische Staatsbibliothek and Deutsche Staatsbibliothek der DDR), according to the rules of “Preußische Instruktionen (PI)“. AK-Or III (p