The ARCHON Directory includes contact details for record repositories in the United Kingdom and also for institutions elsewhere in the world which have substantial collections of manuscripts noted under the indexes to the National Register of Archives.

Great starting point for finding access to the catalogs, collections, services, and projects of the British Library's manuscript collections

A University at Buffalo Libraries Special Collection, the Poetry Collection is the library of record for 20th- and 21st-century poetry in English. Founded in 1937 by Charles Abbott, the Poetry Collection now holds one of the world’s largest collections of poetry first editions and other titles, little literary magazines, broadsides and anthologies; a substantial collection of artworks; and more than 150 archives and manuscript collections from a wide range of poets, presses, magazines and organizations.

The Center's collections contain 36 million leaves of manuscripts, one million rare books, 5 million photographs, and 100,000 works of art, in addition to major holdings in theater arts and film.

As a supplement to the Location Register of 20th-century English Literary Manuscripts and Letters originally published by the British Library in 1988, this database covers new accessions to British and Irish repositories from 1988 to 2003.

Use this website to search the main catalogues of the British Library's collection of Western manuscripts, covering handwritten documents of all kinds from pre-Christian, Classical, medieval and modern times.

The NRA contains information on the nature and location of manuscripts and historical records that relate to British history.