As well as institutional and membership records dating back to 1820, the RAS archives contain the working papers of William, Caroline and John Herschel, and other leading 19th and 20th century astronomers. The Catalogue of RAS Archives and Manuscripts, compiled by Dr J. A. Bennett and originally published in Memoirs of the Royal Astronomical Society vol. 85 (1978), is available online.
A series of smaller accessions containing over 260 items, mainly manuscripts, observations, photograph albums, drawings or scrapbook collections.
General correspondence, mainly incoming letters dating back to 1820.
Individual collections of manuscripts originating from over 40 astronomers and geophysicists. These collections consist of letters and correspondence, observations, papers, manuscripts of journal articles, diaries, memoirs, drawings, plans and diagrams.
Minute books, membership and other institutional records.
The working papers of William, Caroline and John Herschel.