Hoppin, S. B. (1882). The medical register and directory of the practitioners of medicine in the city and county of Philadelphia: Compiled from the official register in the Office of the Prothonotary, of the Court of Common Pleas, of the city and county of Philadelphia. Philadelphia.

Hoppin, Samuel B. The Medical Register and Directory of the Practitioners of Medicine in the City and County of Philadelphia: Compiled From the Official Register in the Office of the Prothonotary, of the Court of Common Pleas, of the City and County of Philadelphia. Philadelphia, 1882.

Hoppin, Samuel B. The Medical Register and Directory of the Practitioners of Medicine in the City and County of Philadelphia: Compiled From the Official Register in the Office of the Prothonotary, of the Court of Common Pleas, of the City and County of Philadelphia. Philadelphia, 1882.