022 - International Standard Serial Number (R)

Indicators 1st -  Level of international interest
    # - No level specified
    0 - Serial of international interest (NSDP and ISSN Canada only)
    1 - Serial not of international interest (NSDP and ISSN Canada only)
  2nd -  Undefined
Subfields _a  International Standard Serial Number (ISSN) (NR)
  _l  ISSN-L (NR)
  _m  Canceled ISSN-L (R)
  _y  Incorrect ISSN (R)
  _z  Canceled ISSN (R)
  _2  Source (NR)
  _6  Linkage (NR)
  _8  Field link and sequence number (R)
Guidelines
  • An ISSN is given to serials: materials issued in successive parts at regular or irregular intervals and intended to continue indefinitely. Examples include periodicals, yearbooks, annuals, and transactions and proceedings of societies.
  • When entering ISSNs, you do not need to include a hyphen between the first four digits and the last four.
Examples
022 ## _a0046-225X
  _y0046-2254
022 ## _a0145-0808
022 ## _a0099-9660