Searching the Identifying Codes Field

Enter Identifying Codes to search the following fields within a record.

  • Accession Number
  • CODEN of translation
  • ISSN
  • ISSN of translation
  • Standard Book Number
  • Report Number
  • Contract Number
  • Patent Number
  • Original Patent Number
  • SICI (Serial Item and Contribution Identifier)
  • SICI of translation

You can use search operators (AND, OR, NOT) and wildcards (* $ ?) in your search query.


Left- and Right-hand Truncation

Both left- and right-hand truncation are allowed when using wildcards (* $ ?) when searching for Identifying Codes. You must enter at least one characters after a wildcard when used at the beginning of a word.


Identifying Codes Examples

  • 7991783 finds the record with this accession number.

  • *99178* finds all records that contain these five numbers anywhere in the accession number (for example, 2199178, 11991780, and 6399178) because both left-hand and right-hand truncation is used in the query.

  • 0022-4073 OR 0022 4073 finds records that have this ISSN identifier.

  • 960-8052-86-6 finds records that begin with this Standard Book Number. You can also remove the hyphens from your search query (for example, 960 8052 86 6 finds the same records as 960-8052-86-6).

  • 3 527 2929* finds records that have 3 527 29293 2 or 3 527 29293 4 as the Standard Book Number.

  • 1379399 finds the record of UK patent 1379399.


About the ISSN Identifier

The International Standard Serial Number is a unique eight-digit number that identifies periodical publications such as journals and electronic publications.

The format is four numbers, a hyphen (-), three numbers, and then a check character that may be a number or an X. Example: 0015-6639


About the ISBN Identifier

The International Standard Book Number is a unique machine-readable identifier that marks a book unmistakably.

The format is a 10-digit number that contains 3 hyphens (-). The last digit is a check character, which may be a number or an X. The position of the hyphens can vary for each ISBN identifier. Example: 2-7380-1000-8



CODEN is a unique, six-character code assigned to publications by the International CODEN Service.