Scope and Contents The Carrie Baily Aaron papers collection is comprised of Letters, a notebook, photographs and illistrations. The three letters are signed by Aaron, Carrie B. 1910; Skinner, Henry, 1890; Wood, Harold Bacon, 1955. The notebook contains an entomological essay by Mrs. Aaron. The essay was entered in a contest and won the prize offered by Robert H. Lamborn. This collection also contains portrait photographs of Dr. Robert H. Lamborn, which were held in collection 457 until they were returned to...

Overview Joseph Mellick Leidy (1823-1891), one of the great American scientists of the 19th century, possessed a vast knowledge of the natural world. Best known as the Father of American vertebrate paleontology, he also pioneered the fields of parasitology and protozoology, and was the preeminent anatomist of his time. He was also an influential teacher of natural history and an expert in areas as diverse as entomology, geology and pathology. The Joseph Leidy Correspondence collection contains...

Scope and Contents The collection of Treasurer George Vaux’s financial records houses papers related to Vaux’s management of estates bequeathed to the Academy around the late 19th and early 20th centuries. These materials date from 1856 to 1958, with bulk dates from 1856 to 1922, and include many legal documents such as wills, property deeds, indentures, certificates, agreements, and mortgages. Also included are blueprints, maps, and plans of inherited properties, as well as financial records pertaining to the...