This collection consists of a rough and finished draft of Coates' lecture, which was delivered before the Phrenological Society of Philadelphia. In it he included a review of Boston professor John C. Warren's work on the nervous system.
This collection of letters, diaries, and other types of documents (both original and copies) was assembled primarily by Mary Jane Peale, who copied, or had copied, many family documents. The bulk of the collection centers on Charles Willson Peale, James Burd Peale, and Mary Jane Peale.
This collection of Morton letters forms part of a bound volume of incoming correspondence. It is a companion volume to the original letters in the Morton collection at the American Philosophical Society, which were also originally bound. Most of the subjects of the two collections overlap, but additional subjects in the microfilmed collection include American Indians, archaeology, Egyptology, and phrenology.