Scope and content Letters, documents, and offprints given to or purchased by the History of Science Collections from 1967-1978. Includes signed letter from John James Audubon to Robert Havell, typewritten letters to A.D. White and Simon Henry Gage, a letter from Georges Louis Leclerc de Buffon to the abbé de Launay; two letters from Schilling to Samuel Thomas von Soemmerring; a 1757 contract between James Grosett and John Newbery for the latter to manufacture various diet drinks; and documents concerning...