Genealogy of the Bergey family; a record of the descendants of John Ulrich Bergey and his wife Mary,

Author: Bergey, D. H. 1860-1937.
Published 1925

The progenitors of the Bergey family in America /

Author: Bergey, D. H. 1860-1937.
Published 1907

Genealogical landmarks and milestones of the Lower Perkiomen country

Author: Johnson, Ralph Linwood, 1873-1955.
Published 1992

Genealogical studies of some Providence families (and their connections)

Author: Johnson, Ralph Linwood, 1873-1955.

A move for better roads : Essays on roadmaking and maintenance and road laws, for which prizes or honorable mention were awarded through the University of Pennsylvania

Published 1891