The bird life of Berks County, Pennsylvania /

Mode of access: Internet.

Birds of the Pocono Mountains, Pennsylvania /

Bibliography: p. 73-76.

Birds of central Pennsylvania /

Caption title.

Birds of the State College Region, Pennsylvania /

Cover title.

Pennsylvania birdlife.

Mode of access: Internet.

An account of the gospel labours, and Christian experiences of a faithful minister of Christ, John Churchman, late of Nottingham, in Pennsylvania, deceased. To which is added, A short memorial of the life and death of a fellow labourer in the church, our valuable friend Joseph White, late of Bucks county ...

Running title: The life and travels of John Churchman.

Pennsylvania-German stories, prose & poetry;

Mode of access: Internet.

The Pennsylvania gazette ... Weekly magazine of the University of Pennsylvania.

"Pub. 1729 to 1748 by Ben. J. Franklin, founder of the university. Revived ... as the official weekly magazine of the University of Pennsylvania."

Annual report of the directors of the Maine Central Railroad Company to the stockholders for the nine months ending June 30th ...

Report year varies.

Experiments to determine the erosive effects of floodwaters on railroad embankments.

Mode of access: Internet.

Investigations of certain proposed methods of bank and embankment protection : part 1, full-scale experiments to determine method for protection of railroad embankments subject to overflow : part 2, laboratory investigations of the effectiveness of various proposed types of revetment.

Mode of access: Internet.

Circular - Pennsylvania State University, College of Agriculture, Extension Service.

Mode of access: Internet.

A review of an Address of the Joint Board of Directors of the Delaware and Raritan Canal and Camden and Amboy Railroad Companies to the people of New Jersey /

Errata: p. [84]

Railroad construction guide prices.

Oct. 1, 1945.

Annual report of the State Engineer and Surveyor of railroad statistics of the State of New York.

Description based on: 1849; title from cover.