Y Bibliography
YH
Bibliography
YHB
Manuscripts; Palaeography; Writing
YHBA
Calligraphy
YHBAL
Illuminated manuscripts; Manuscript illumination
YHC
Archives; Public Records; Genealogy
YHD
Printing
YHD.AN
Forgery, Literary
YHDE
Typography
YHDEG
Block Books
YHDF
Printers' Devices
YHDG
Paper; Watermarks
YHDI
Ink
YHDM
Photocopying
YHDT
Title Pages
YHE
Publishing
YHEM
Dedications
YHF
Book Illustration
YHG
Bookbinding
YHH
Bookselling, Book Trade
YHHC
Chapbooks
YHJ
Censorship
YHM
Book Collecting; Bookplates
YHN
Documentation
YHP
Cataloguing
YHPI
Indexing
YHQ
Bibliographical Classification
YHR
General Bibliography (Divided by period)
YHR.AA4
Incunabula
YHRA
General Library Catalogues (Divided by local list. Specify the country in which the library is located, not the country of any subject coverage)
YHRAB
Catalogues of Private Libraries
YHRB
National Bibliography (Divided by local list)
YHRD
Bibliography of Anonyma and Pseudonyma
YHRE
Bibliography of Livres … clef
YHRF
Bibliography of Translations
YHRH
Bibliography of Theses
YHRR
Bibliography of Reprints
YHS
Medical Bibliography (Divided by period); Medical Librarianship
YHS.AA4
Medical Incunabula
YHSA
Medical Library Catalogues (Divided by local list))
YHSAD
Medical and Scientific Congresses (bibliography of)
YHSB
National Medical Bibliography (Divided by local list)
YHSH
Bibliography of Medical Theses
YHT
Catalogues of Periodicals
YHTD
Press
YHU
Abstract Journals (bibliographies of, or works about)
YHX
General Librarianship
YHX.RX
Medical Librarianship
YHX.ZTU
University Libraries
YHY
Libraries (General and Medical)
YI
Reference Works (use only for books ABOUT reference works in general)
YI.B
Guides to reference materials. Bibliographies of reference materials.
YK
Encyclopedias
YL
Language Dictionaries (Divide by local list e.g. YL.35 Spanish-English, English-Spanish)
YLG
Dictionaries of Abbreviations
YLQ
Dictionaries of Quotations
YLQE
Dictionaries of Epitaphs
YLQN
Dictionaries of Names
YLQP
Dictionaries of Proverbs
YMM
Medical Dictionaries (Divided by period)
YMO
Multi-language Medical Dictionaries (Divided by local list. Use code for language that comes first in local list, e.g. English-French-German-Italian: YMO.34)
YMQ
Scientific Dictionaries (Divided by period)
YN
Atlases; Maps
YNG
Gazetteers
YQ
Almanacks
YR
Medical Directories
YS
Directories of Societies
YSA
University Calendars
YSAM
Calendars and Annual Reports of Medical Schools
YSB
Directories of Research
YSH
Directories of Hospitals
YW
Museums
YWA
Preservation of Antiquities
YWE
Exhibitions
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