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.

See the Search hints below

Code Description
U Computing and information technology
UB Information technology: general issues
UD Digital lifestyle
Use UD* codes for consumer/user guides; prefer other U* codes for professional and high-level works
UF Business applications
Note: use UF* codes as appropriate for software whether delivered online or on physical media. For business database software, see UNS “Database software” and following
UG Graphical and digital media applications
UK Computer hardware
For computer architecture, use UXF “Computer architecture and logic design”
UL Operating systems
UM Computer programming / software development
UN Databases
UQ Computer certification
UR Computer security
UT Computer networking and communications
For Network hardware, use UKN “Network hardware”
UY Computer science

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