Kategori:1847 anläggningar i Pennsylvania
Sidor i kategorin "1847 anläggningar i Pennsylvania"
A
American Medical Association
C
Centre Hall, Pennsylvania
Corsica, Pennsylvania
Cressona, Pennsylvania
D
Darlington Township, Beaver County, Pennsylvania
J
John B. Bra hus
M
Monroe ugn
N
Narberth, Pennsylvania
P
Penn Mutual
Philadelphia Bulletin
Pleasant Valley Township, Potter County, Pennsylvania
R
Richmond District, Pennsylvania
Rupert täckt bro nr 56
S
Saint Francis University
Shaler Township, Allegheny County, Pennsylvania
Shearer's Covered Bridge
Sullivan County, Pennsylvania
Sutton-Ditz hus
W
White Rock Forge täckt bro