Mathematics in management; proceedings of a short course conducted by [Dept. of Engineering Mechanics and General Extension Services, the Pennsylvania State University, with cooperation from General Electric Co. and others] June 13-17, 1955.

Includes bibliographies.

A half century of bird life in Berks County, Pennsylvania,

Mode of access: Internet.

Speech of Eli K. Price, of Philadelphia in the senate of Pennsylvania, April 6th and 7th, 1855, on the bill to restrain the sale of intoxicating liquors /

Cover-title.

Minute men of Pennsylvania, with a brief biography of their leader in Blair, Bedford, and Cambria counties, Col. Jacob C. Higgins. Including a copy of Col. Higgins' diary of the Mexican War.

Mode of access: Internet.

Some account of the Pennsylvania Hospital : printed in facsimile /

Includes bibliographical references.

The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey /

Prepared in cooperation with the Pennsylvania Geological Survey.

Development of a digital model of ground-water flow in deeply weathered crystalline rock, Chester County, Pennsylvania /

"August 1980."

Criteria for abandoned mine reclamation : regional planning to develop project guidelines in the Blacklick Creek watershed, Pennsylvania /

Includes bibliographical references.

Our Campbell ancestors, 1742-1937. Traditions and history of the family of five Campbell brothers and sisters; John, James Douglas, Hester, Mary and Samuel: including what is known of them in New Jersey; York county, Pennsylvania; Union county, South Carolina and in Ohio. A genealogy of the known descendants of John Campbell through his son James, and Samuel Campbell through his son Ralph, also brief ancestral notes on families connected by marriage with the foregoing; viz; Parnell, Clark, Spray, Wilson, Haskett, Mendenhall and Underhill,

Bibliographical foot-notes.

The Amish people; seventeenth-century tradition in modern America; a complete, illustrated story of the "Old Order" sect of southeastern Pennsylvania.

Mode of access: Internet.

A short introduction to Latin grammar : for the use of the University of Pennsylvania, in Philadelphia /

"Appendix, containing references to several of the rules of syntax, &c.": p. [121]-128.

Messages from the governors of Maryland and Pennsylvania, transmitting the reports of the joint commissioners, and of Lieut. Col. Graham, U.S. topographical engineers, in relation to the intersection of the boundary lines of the states of Maryland, Pennsylvania and Delaware, being a portion of Mason and Dixon's line.

First edition, 1859.

A record of the Searight family, (also written Seawright). Established in America by William Seawright, who came from near Londonderry ... to Lancaster County, Pennsylvania, about 1740; with an account of his descendants as far as can be ascertained.

Photocopy.

The Daily chronicle and convention journal: containing the substance and spirit of the proceedings of the convention which assembled at the state capitol in Harrisburg, May 2, 1837, to alter and amend the constitution of the state of Pennsylvania;

Mode of access: Internet.

Preliminary report of the cost of milk production on 79 dairy farms in four areas of Pennsylvania 1938

Mimeographed.