This publication by William Egle in 1895, while serving as the state librarian, provides a history of the Pennsylvania coat of arms and of the Great Seal of the state.
History of the early settlement of the Juniata valley: embracing an account of the early pioneers, and the trials and privations incident to the settlement of the valley, predatory incursions, massacres, and abductions by the Indians during the French and Indian wars, and the war of the revolution, &c
By U. J. Jones. With notes and extensions compiled as a glossary from the memoirs of early settlers, the pension statements of revolutionary war soldiers, and other source material, by Floyd G. Hoenstine ...
"William Henry Egle was a physician, author and historian who served as the State Librarian of the Commonwealth of Pennsylvania from 1887 to 1889. His body of work documented Pennsylvania's history from its founding through the late 19th century - excerpts of which continued to be reprinted in newspapers following his death in 1901 and are still cited as references by present-day historians and professional genealogists." [from Wikipedia]
Pennsylvania archives; second series ... vol. X-XI
Notes
Rosters and brief histories of the various regiments, orderly books of the First and Seventh regiments, and other papers. For detailed list of contents, see Annual report of the Amer. Hist. Assoc. for 1904, p. 633-635.
The rosters are reprinted, with corrections and additions, in Pennsylvania archives, 5th series, v. 2-4, Harrisburg, 1906.
"Diary of events in the army of the revolution, from Aug. 1, 1780, to Dec. 31, 1780. From the journal of Capt. Joseph McClellan, of Ninth Penn'a": v. 2, p. [571]-585.
"Diary of the revolt in the Pennsylvania line. January, 1781 [by Capt. Joseph McClellan; with other papers relating to the affair]": v. 2, p. [629]-674.
"Diary of the Pennsylvania line. May 26, 1781-April 25, 1782 [comp. from the journals of Capt. Joseph McClellan and Lieut. William Feltman]": v. 2, p. [675]-727.