Browse the BIC Subject Categories and Qualifiers

This is BIC’s Subject Categories and Qualifiers Scheme, version 2 revision 01, the standard classification scheme for the UK book trade and other English language markets, available from www.bic.org.uk. You can also browse version 1.2 of the new Thema international, multilingual subject category scheme.

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Code Description
3 Time period qualifiers
Do not use “3” on individual books, as it is not a valid qualifier code; select appropriate qualifier code(s) from Section 3 below. Note: use as few Time Period qualifiers as possible to indicate the bulk of the period covered by the book; eg, for 410 to 1066, use 3F only; for 1948 to 1974, use 3JJP only. If the coverage is evenly split between two qualifiers, use both; eg, for 1789 to 1814, use both 3JF and 3JH. For single years that occur in two qualifiers, use the earlier period; eg, for 1990, use 3JJPN
3B Prehistory
3D BCE to c. 500 CE
3F c. 500 CE to c. 1000 CE
3H c. 1000 CE to c. 1500
3J Modern period, c. 1500 onwards


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