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(A) General Bibliographies.........................SBB (B) States, National, and Regional Bibliographies..SBD (C) Subject Bibliographies.........................SBF (D) Collective and Personal Bibliographies.........SBH (no items in HLAS 53) (E) Library Science and Services...................SBK (F) Acquisitions, Collections, and Catalogs........SBN (G) Reference Works and Research...................SBQ (H) General Works..................................SBT (I) New Serial Titles..............................SBW