Scope and Contents This is a collection of papers of H. Radclyffe Roberts. Materials include: professional correspondence (incoming and outgoing) with colleagues in the United States, Mexico, and South America. Many of the letters discuss the study and exchange of specimens of orthoptera. Other correspondence is related to an atlas of mosquitoes, and other publications. There are a small number of typescript and manuscript notes on collecting and funding policies for the Academy (from circa 1946). The...

Scope and Contents Natural Science, history, geology, religion, anthropology, government reports, maps, advertising ephemera, letterhead art, This is a collection of incoming and outgoing correspondence of Charles M.B. Cadwalader, dating from 1933 to 1939. Much of the correspondence relates to the acquisition of specimens, donations, estates and annuities, publications, and other Academy business. There is also a significant amount of correspondence with scientists on Academy expeditions,...