Price, E. K. 1. (1837). Charter of the Preston Retreat with the rules and regulations: Adopted for the government of the same together with an extract from the will of Dr. Jonas Preston and the address of Eli K. Price, Esq. at the laying of the corner-stone, July 17th, 1837. [Philadelphia: s.n..

Price, Eli K. 1797-1884. Charter of the Preston Retreat With the Rules and Regulations: Adopted for the Government of the Same Together With an Extract From the Will of Dr. Jonas Preston and the Address of Eli K. Price, Esq. At the Laying of the Corner-stone, July 17th, 1837. [Philadelphia: s.n., 1837.

Price, Eli K. 1797-1884. Charter of the Preston Retreat With the Rules and Regulations: Adopted for the Government of the Same Together With an Extract From the Will of Dr. Jonas Preston and the Address of Eli K. Price, Esq. At the Laying of the Corner-stone, July 17th, 1837. [Philadelphia: s.n., 1837.