Author
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Richter, Daniel K.
1
Ross, Alexander, 1909-
1
Rowe, G. S. 1936-
1
Rupp, I. Daniel 1803-1878
1
Ryerson, Richard Alan, 1942-
1
Sachse, Julius Friedrich, 1842-1919
1
Schwartz, Sally, 1952-
1
Scott, Kenneth
1
Secor, Robert
1
Sellers, Elisabeth (Mellon), 1903-
1
Seymour, Joseph, 1968-
1
Sheppard, Walter Lee, 1911-
1
Shippen, Edward, 1729-1806
1
Shirk, Jeanette Campbell, 1898-
1
Sipe, C. Hale b. 1880
2
Smolenski, John
1
Soderlund, Jean R., 1947-
2
Spero, Patrick,
1
Stevens, Sylvester Kirby, 1904-1974
1
Thayer, Theodore, 1904-1981
1
Thomas, Gabriel
1
Thomas, Gabriel, 17th cent
1
Thompson, Peter, 1960-
1
Tolles, Frederick Barnes, 1915-
1
Treese, Lorett, 1952-
1
Volwiler, Albert T. 1888-1957
1
Wainwright, Nicholas B.
1
Wallace, Anthony F. C., 1923-
1
Wallace, Paul A. W.
1
Walton, Joseph Solomon, 1855-1912
1
Western Pennsylvania Historical Survey
1
Western Pennsylvania historical survey
1
Wright, John Ernest Thorrington, 1894-
1
Wulf, Karin A., 1964-
1