1. Adding Dates to Call Numbers LCCS Training OSU July 2007

2. When and Why Add a Date Dates are added to all monographs in all formats Dates are not added to serials Dates create unique call numbers for different editions of a work Editions sit next to each other on the shelf in chronological order

3. Adding Date of Imprint to Monographs 1976? ca. 1976 1981, cl980 1971, cl972 1979 [i.e.1978] 1962 or 1963 1969 (1973 printing) 1980 printing, c1957 1979 [distributed] 1980 1979-1981 between 1977 and 1980 1978/79 [i.e. 1978 or 1979] 1977 (cover 1978) 197- 197-? 19-- 19--? 1998 for 1997 use 1976 use 1976 use 1981 use 1972 use 1978 use 1962 use 1969 use 1957 use 1979 use 1979 use 1977 use 1978 use 1978 use 1970z [if corporate body, 1970] use 1970z [if corporate body, 1970] use 1900z [if corporate body, 1900] use 1900z [if corporate body, 1900] 1998

4. Special Circumstances Conferences Add the date of the conference to the call number, not the date of imprint Multipart Works Add the date of the first or earliest part Photocopies or Facsimile Editions Add the original date plus the work letter “a”

5. Special Circumstances (cont.) Multiple Editions Of A Work In The Same Year Add work letters starting with “b” Example: QC155.L33 1982 QC155.L33 1982b QC155.L33 1982c Corporate Authorship – Multiple Editions in Same Year Add work letters starting with “a” Example: TA145.R37 1984 TA145.R37 1984a TA145.R37 1984b

6. Do Not Add Dates To: Supplements and indexes Example: HD4655.C64 1977 (main title) HD4655.C64 1977 Suppl. Loose-leaf materials Legal publications where the final Cutter is based on dates