BIC Subject Categories and Qualifiers

This is BIC’s Subject Categories and Qualifiers Scheme, version 2.1 released November 2010, the standard classification scheme for the UK book trade and some other English language markets, available from

Note that BIC has announced that there will be no further development of the BIC scheme, and that Thema is its preferred subject scheme for current and future use. Browse the latest version of the Thema international, multilingual subject category scheme here.

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Code Description
T Technology, engineering, agriculture
Do not use “T” on individual books; select appropriate code(s) from Section T below
TD Industrial chemistry and manufacturing technologies
TDC Industrial chemistry
TDCB Chemical engineering
TDCC Heavy chemicals
TDCD Detergents technology
TDCG Powder technology
TDCH Insecticide and herbicide technology
See also: TVP “Pest control”
TDCJ Pigments, dyestuffs and paint technology
TDCK Surface-coating technology
TDCP Plastics and polymers technology
TDCQ Ceramics and glass technology
TDCR Rubber technology
TDCT Food and beverage technology
See also: TTVC “Hotel and catering trades”
TDCW Pharmaceutical technology

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