Cataloger's Reference Shelf
Graphic Materials - Rules for Describing Original Items and Historical
Collections
0J. Interpolations (General Rules)
0J1. Indicate an interpolation (i.e., data taken from outside the prescribed source(s) of information) by enclosing it in square brackets. Indicate a conjectural interpolation by adding a question mark within the square brackets.
0J2. In transcription, generally do not complete abbreviated names and words unless the rule for the particular element or area allows it. If it is otherwise difficult to understand, fill in the whole name, word, or number, enclosing additional letter(s) or number(s) in square brackets.
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