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Holdings information for supplementary material that bears its own enumeration and/or chronology but that is not cataloged separately on its own bibliographic record is recorded in field 864 in the holdings record for the basic bibliographic unitparent resource. The captions and publication pattern for field 864 are given in field 854.
Consumer reports issues a regular annual "Buyers' guide" as an extra issue. The reporting library holds v.1-13, 1951-1963 with Buyers guide for 1956-1962:
Holdings record:
008/22-24: eng [language code English]
853 20 |8 1 |a v. |b no. |u 12 |v r |i (year) |j (month) |w m |x 01
863 40 |8 1.1 |a 1-13 |i 1951-1963
854 20 |8 1 |a (year) |w a
864 40 |8 1.1 |a 1956-1962 |o Buyers' guide
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