War Department decimal file system : a subjective decimal classification with a complete alphabetical index for use of the war department and the United States … fid publication Universal decimal classification : complete English edition : Geography, biography, history / British Standards Institution fid publication Universal decimal classification : complete English edition : Public administration / British Standards Institution fid publication Universal decimal classification / British Standards Institution : UDC 0 Generalities Standcatalogusoverzicht : indeling van de HBD-Collectie : alfabetische versie en numerieke versie / [uitdraai gemaakt door Theo Beyersbergen]
