Disk

Format:

On CD-ROM or DVD; viewable only when installed on an individual computer.

Examples:

Le Monde sur CD-ROM, Pennsylvania Gazette, Civil War Newspapers, 19th Century African-American Newspapers. Plain text. Housed in the Electronic Text Center in Olin Library (NB: Pennsylvania Gazette, Civil War Newspapers, 19th Century African-American Newspapers are now also available online.

Content:

Selected runs of a one or a few newspaper titles with a common theme. Newspapers of historical interest: U.S. Civil War titles from the North and South, abolitionist titles.

Pros:

Requires very little storage space. Full text is searchable.

Cons:

Limited content and time period covered; transitional medium.

Access rating:

Fair. 

Preservation rating:

Uncertain, but probably poor. Usable life of disks unknown. Software changes will render them obsolete.

Notes:

Specialized use as a searchable language corpus: a snapshot of the language in a given context at a given time.