Page Comparison

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650 ## $a Zoology $v Pre-Linnean works

• • omit
    the subdivision in situations for which the passage of time is of little consequence

    • under names of persons, corporate bodies (except for geographic names), or individual works (except sacred works)

    • historical works; chronologies

    • under headings with dates, or period subdivisions; under headings with period qualifiers, for example, Science, Ancient

    • works of belles lettres; works about belles lettres

  • Bibliographies

    • Early bibliographies - Assign headings of the type [topic]-Bibliography-Early to designate individual bibliographies that were issued before 1800 on a topic.

The subdivision -Early works to 1800 is not used under the subdivision -Bibliography.

• • • Bibliographies of early works - Assign headings of the type [topic]-Early works to 1800-Bibliography to designate bibliographies that list individual works issued before 1800 on a topic.

N.B. Catalogs of such bibliographies are assigned the heading [topic]-Early works to 1800-Bibliography-Catalogs, or, in the case of exhibition catalogs, [topic]-Early works to 1800-Exhibitions.

• • • When assigning the subdivisions -Bibliography-Early or -Early works to 1800-Bibliography, also assign the heading Early printed books-[century, if appropriate]. 

650 #0 $a Architecture $v Bibliography $v Early.

650 #0 $a Early printed books $y 18th century $v Bibliography.

650 #0 $a Architecture $x Early works to 1800 $v Bibliography.