Report on William Penn memorial in London : erected by the Pennsylvania society in the city of New York, July, MCMXI.

Mode of access: Internet.

Guidebook to historic places in western Pennsylvania,

Illustrated lining-papers.

Three archaeological sites in Somerset County, Pennsylvania ...

Bibliography: p. 75-76.

With rifle & plow; stories of the western Pennsylvania frontier,

Mode of access: Internet.

Proceedings of the Senate of Pennsylvania in commemoration of Hon. Israel W. Durham, late a senator from the Second District, Tuesday, March 7, 1911.

Mode of access: Internet.

Proceedings of the Senate of Pennsylvania in commemoration of Hon. John W. Crawford : late a Senator from the forty-fifth district /

Pa. State Docs. class. no. PGA 1.14/4:C899

Proceedings of the Senate of Pennsylvania in commemoration of Hon. Thomas B. Harper,

Mode of access: Internet.

Memorial proceedings of the Senate upon the death of Hon. Algernon B. Roberts, late a senator from the twelfth district of Pennsylvania.

Mode of access: Internet.

The Pennsylvania legislator; III, VI-VII political essays written for members of the general assembly,

Mode of access: Internet.

Pennsylvania, the story of a commonwealth,

Map on lining-papers.

Petroglyphs in the Susquehanna River near Safe Harbor, Pennsylvania ...

Notes and bibliography: p. 52-59.

The United States and the war : addresses /

Editorial note -- Introduction, by the editor -- Proceedings at the luncheon of th Pennsylvania Society: Address of Rear-Admiral R. E. Peary. Note from the Hon. Theodore Roosevelt [facsimile]. Address by the Hon. J. M. Beck. Verdun menu [facsimile] -- Proceedings at the luncheon of the Pilgrims in London: Address by Viscount Bryce. Address by the Hon. J. M. Beck -- An American advocate [editorial from "London daily telegraph"].

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

Mode of access: Internet.

The bird life of Berks County, Pennsylvania /

Mode of access: Internet.

Birds of the Pocono Mountains, Pennsylvania /

Bibliography: p. 73-76.