http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
19th and 20th century ; additional teaching materials for secondary schools
Kristina Popova; Petar Vodenicharov; Svezhana Dimitrova
Archivierung prüfen 20240324 DE-4165 1 pdager