Charter of the province of Pennsylvania.

Mode of access: Internet.

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania.

Vol. 1, no. 3-v. 2, no. 2, v. 4, no. 1 issued as Publications of the University of Pennsylvania.

The role of the Church and the folk in the development of the early drama in New Mexico.

Thesis--Univ. of Pennsylvania.

Pennsylvania Negro business directory, 1910 : industrial and material growth of the Negroes of Pennsylvania.

Mode of access: Internet.

Third International Conference on New Frontiers for Hazardous Waste Management : proceedings, September 10-13, 1989, Pittsburgh, Pennsylvania /

Mode of access: Internet.

Abstract proceedings : Second Forum on Innovative Hazardous Waste Treatment Technologies, Domestic and International : Philadelphia, PA, May 15-17, 1990.

Mode of access: Internet.

Charter, by-laws and library rules of the Mercantile library company of Philadelphia.

Mode of access: Internet.

The oldest abolition society : being a short story of the labors of the Pennsylvania Society for Promoting the Abolition of Slavery, the Relief of Free Negroes Unlawfully Held in Bondage, and for Improving the Condition of the African Race.

Cover title.

Entrepreneurship in Argentine culture; Torcuato Di Tella and S.I.A.M.,

Includes bibliography.

The Norwegian language in America; a study in bilingual behavior

Mode of access: Internet.

Polish pioneers of Pennsylvania,

Bibliography: p. 66-72.

The fundamentals of Christianity;

Mode of access: Internet.

Postwar population transfers in Europe 1945-1955.

Mode of access: Internet.