Dunglison, R., & Cope, T. P. 1. (1840). A second appeal to the people of Pennsylvania: On the subject of an asylum for the insane poor of the Commonwealth. Philadelphia: Printed for the Committee.

Dunglison, Robley, and Thomas P. 1768-1854 Cope. A Second Appeal to the People of Pennsylvania: On the Subject of an Asylum for the Insane Poor of the Commonwealth. Philadelphia: Printed for the Committee, 1840.

Dunglison, Robley, and Thomas P. 1768-1854 Cope. A Second Appeal to the People of Pennsylvania: On the Subject of an Asylum for the Insane Poor of the Commonwealth. Philadelphia: Printed for the Committee, 1840.