A unique eight-digit number used assigned to each serial title published.

An internationally-accepted code which uniquely identifies a serial publication.Consists of eight digits divided in the middle by a hyphen. Most citations to an article in databases or indexes provide this number in the record. The Interlibrary Loan form asks for this number when you are requesting an article.

An internationally agreed upon standard number that is assigned to serials.

A publication number issued by the Library of Congress that identifies a specific periodical (such as a Periodicals publication).

A unique identification number assigned to a serial through the ISSN Network. Each ISSN has eight characters. The eighth character is a check character that may be a number or the letter . A hyphen follows the fourth character.

(ISSN) - A distinctive number assigned to each serial title. See www.issn.org

An ISSN, or International Standard Serial Number, is a unique eight-digit number used to identify a print or electronic periodical publication. The ISSN system was adopted as international standard ISO 3297 in 1975. The TC 46/SC 9 is responsible for the standard.