REFERENCE
Use subjects in this section for works of a general nature or for works about the topics found in this section (note that there is a subheading "Reference" in most other sections and some sections also have a subheading "Dictionaries & Terminology").

Subjects in this section may be used with those in other sections for reference works on topics not found in this section, but it is recommended that topical subjects be assigned first: for example, a bibliography of medical books could be assigned "MEDICAL / Reference" and "REFERENCE / Bibliographies & Indexes"; a bibliography of books about pediatrics could be assigned "MEDICAL / Pediatrics", "MEDICAL / Reference" and "REFERENCE / Bibliographies & Indexes".

An asterisk (*) denotes a heading that is new for the 2007 Edition.

Step 2:  Once you have selected your major heading, determine the specific term which describes your book. 
 

REF000000    REFERENCE / General

REF001000    REFERENCE / Almanacs

                     REFERENCE / Annuals see Yearbooks & Annuals

REF002000    REFERENCE / Atlases

                     REFERENCE / Basic Skills see Personal & Practical Guides

REF004000    REFERENCE / Bibliographies & Indexes

                     REFERENCE / Business Skills see BUSINESS & ECONOMICS / Skills

REF006000    REFERENCE / Catalogs

REF030000    REFERENCE / Consumer Guides

REF007000    REFERENCE / Curiosities & Wonders

REF008000    REFERENCE / Dictionaries

REF009000    REFERENCE / Directories

REF010000    REFERENCE / Encyclopedias

REF011000    REFERENCE / Etiquette

                     REFERENCE / Etymology see LANGUAGE ARTS & DISCIPLINES / Etymology

REF013000    REFERENCE / Genealogy

REF028000    REFERENCE / Handbooks & Manuals

                     REFERENCE / Indexes see Bibliographies & Indexes

                     REFERENCE / Maps see TRAVEL / Maps & Road Atlases

REF015000    REFERENCE / Personal & Practical Guides

REF029000    REFERENCE / Problems & Exercises

                     REFERENCE / Public Speaking see LANGUAGE ARTS & DISCIPLINES / Public Speaking

                     REFERENCE / Publishing see LANGUAGE ARTS & DISCIPLINES / Publishing

REF018000    REFERENCE / Questions & Answers

REF019000    REFERENCE / Quotations

REF020000    REFERENCE / Research

                     REFERENCE / Secretarial Aids & Training see BUSINESS & ECONOMICS / Secretarial Aids & Training

                     REFERENCE / Synonyms & Antonyms see Thesauri

REF022000    REFERENCE / Thesauri

REF023000    REFERENCE / Trivia

REF024000    REFERENCE / Weddings

REF025000    REFERENCE / Word Lists

REF026000    REFERENCE / Writing Skills

REF027000    REFERENCE / Yearbooks & Annuals

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