MARC-Bib: 300b (Other physical details)
Check the 'Source' instruction to be sure that you are looking at the correct source(s) of information on the resource
If data on the resource and data as the element in the record are:
PoR/PaE–check the Data Entry instructions:
-
is appropriate for the resource
is either given exactly from the official list of terms for the element, except for capitalization (check for typos);
or conforms to the structure and reasoning of the official list (e.g., singular vs, plural), if it is a locally added term
PoR/AaE–check the Core instructions:
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if the data has been given as a wrong element, move it to the correct element
if the data is missing completely, add the data if you feel it might be useful–remember the principles of differentiation and sufficiency
AoR/PaE–check the Source instructions again:
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Check below, for any useful Notes
Hybrid AACR:
Matching
General element information