This collection includes certificates issued primarily by railroad companies, banks, and industrial companies. There are some bonds issued by the City of Philadelphia. Also of interest are the scenic engravings of railroads on the certificates.

Related to the Dupaix expeditions of 1806, four loose notebooks with 23 ink and pencil sketches of Mexican ruins and hieroglyphics. Fragmented text, in Spanish, with images of construction and decoration on stonework, pottery and buildings of various native ruins of the Yucatan. The APS manuscript sketch file has an inventory list of the images.