260: publication, distribution
example:
260 ## $a New York :
$b Chelsea House,
$c 1986.
If you don’t know the date, guess. [1980?] information that is added or guessed, not from chief source, is in BRACKETS [ ]. You don’t have to guess subfields a or b, just c.
300: Physical description
300 $avi, 200 p. (this means that there are 6 roman numeral pages in front and 200 #’d pages )
300$a150 p.
300 $a200, [5] p.
leaves are single sided pages, plates are tipped-in images (unnumbered leaves within an item)
$c length of spine, rounded to nearest centimeter.
440 Series
$a–Title
$v–Volume #
500 General Notes
504 Bibliographies, Index
505 & 520 (always have)
600 Subjects (what is this work about) examples: Established forms of personal names (if person is the subject)
650 use authority file to establish subject
BT–Broad Term
NT–Narrower Term
UF–Used For
USE–Use (use this form instead of what you were using…)
