Procter, W., Jr. (1852). Valedictory address to the graduates of the Philadelphia College of Pharmacy: Delivered in Sansom Street Hall, March 18, 1851 [i.e 1852]. [Philadelphia, Pa.]: Published by the graduating class.

Procter, William, Jr. Valedictory Address to the Graduates of the Philadelphia College of Pharmacy: Delivered in Sansom Street Hall, March 18, 1851 [i.e 1852]. [Philadelphia, Pa.]: Published by the graduating class, 1852.

Procter, William, Jr. Valedictory Address to the Graduates of the Philadelphia College of Pharmacy: Delivered in Sansom Street Hall, March 18, 1851 [i.e 1852]. [Philadelphia, Pa.]: Published by the graduating class, 1852.