1. Discourse in commemoration of the founding of the Academy of Natural Sciences of Philadelphia Author(s): Foulke, William Parker. Publication: Philadelphia : Printed for the Academy, 1854 Subject(s): Natural HistorySocieties, ScientificPhiladelphiaAcademy of Natural Sciences of Philadelphia.
2. Address delivered on laying the corner stone of the Academy of Natural Sciences of Philadelphia, May 25, 1839 Author(s): Johnson, Walter R. (Walter Rogers), 1794-1852 Publication: Philadelphia : T. K. & P. G. Collins, 1839 Subject(s): Societies, ScientificPhiladelphia
