Duel eB
4322001" Royal Society of London. Philosophical trans- actions ... (Card 10) INDEXES: (Continued) Series B. Vols. 230-235 (no. 57-622) 1941-50, with series A, v. 239-23.
The Philosophical transactions are indexed for the years 1800-1900 in the Royal Society's "Catalogue of scientific papers," (cataloged
(Continued @ on next card)