Universal Decimal Classification. English full edition-Exact sciences in general. Nature study. Conservation. Environmental sciences
standard by BSI Group, 07/29/1983

Universal Decimal Classification. English full edition-Physiology
standard by BSI Group, 05/27/1968

Universal Decimal Classification. English full edition-Philosophy (excluding 159.9 Psychology)
standard by BSI Group, 11/28/1969

Universal Decimal Classification. English full edition-Ethnology. Ethnography
standard by BSI Group, 03/27/1970

Universal Decimal Classification. English full edition-Music
standard by BSI Group, 07/07/1971

Photographic lenses. Definitions, methods and accuracy of marking
standard by BSI Group, 09/22/1949

Universal Decimal Classification. English full edition-Plastic or chipless working, forming and treatment of materials
standard by BSI Group, 06/30/1977

High tensile brass bars & sections and forgings
standard by BSI Group, 12/29/1941

Methods for sampling of coal and coke.-Sampling of coal
standard by BSI Group, 07/31/1981

Office mechanisation
standard by BSI Group, 08/01/1946