International Standard Serial Number International Standard Serial Number An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication. The ISSN is especially helpful in distinguishing between serials with the same title. ISSN are used in ordering, cataloging, interlibrary loans, and other practices in connection with serial literature. The ISSN system was first drafted as an International Organization for Standardization (ISO) international standard in 1971 and published as ISO 3297 in 1975. ISO subcommittee TC 46/SC 9 is responsible for maintaining the standard. When a serial with the same content is published in more than one media
Number 13 (short story) While talking, the protagonist and the inn-keep hear ominous singing in the room next door. They check Number 14, but learn that its occupant thought it was them, then they find the "nonexistent" door to Number 13. A clawed hand attacks them, and they attempt to break down the door but break through the plaster wall. The occupants of 12 and 14 spend the night in a double bedded room. The narrator meets his cousin a few months later, and relates the tale to him. Number 13 (short story) "Number 13" is a ghost story by British writer M. R.