| Description | Letters from contributors and authors of scientific papers to staff of the Royal Society employed on the production of the 'Catalogue of scientific papers' (1st-4th series) (1800-1900), vol. I-XIX (London, HMSO for the Royal Society, 1867-1925).
A considerable proportion of these letters are addressed to Sir Herbert McLeod FRS (1841-1923) as Director of the project. |