** STARTING FY22, THE RARE BOOK SECTION WILL IMPLEMENT USING ACCESSION NUMBERS AS CALL NUMBERS AND WILL NO LONGER CLASSIFY ITEMS AS OUTLINED IN THIS SECTION. **
Harvard Theatre Collection: TS Classification
The TS Classification must be used with caution: it has been built up incrementally (and not necessarily logically) over many years; and as the Harvard Theatre Collection expands its collecting scope, no suitable TS number will be found for some new acquisitions. Note that some TS call numbers are no longer to be used.
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TS Classification Schemes (searchable PDF)
Printed Flat Material
As of late 2015, a decision was made, in consultation with the Public Services staff, to stop classifying all printed flat material. (No more TS or LC!) Instead, shelving will simply be a sequential number.
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ONE EXCEPTION: We have also established the same pattern for sheet music, but instead of "HTCE" the designation will start "Sheet music" - e.g. Sheet music 1, Sheet music 2, Sheet music 3 ...