Pennsylvania - Constructed - 1930–1939
| Allegheny River Lock and Dam No. 3 |
| Allegheny River Lock and Dam No.8 |
| Allegheny River Lock and Dam No. 9 |
| Altoona Armory |
| Arsenal Junior High School |
| August, Wendell, Forge |
| Bartram, John, High School |
| Bethlehem Armory |
| Brown, Joseph H., School |
| Compton and Bloomfield |
| Curtis Arboretum |
| Dobbins, Murrell, Vocational School |
| Erie Federal Courthouse and Post Office |
| Fallingwater |
| Franklin Institute |
| Gettysburg Armory |
| Jerome Street Bridge |
| Marion Bridge |
| Old Columbia-Wrightsville Bridge |
| Pennsylvania Railroad Passenger Station |
| Philadelphia School of Occupational Therapy |
| Soldiers and Sailors Memorial Bridge |
| Spring Garden School No. 2 |
| Strawbridge and Clothier Store |
| Thirtieth Street Station |
| United States Custom House |
| US Court House and Post Office Building |
| Warner Theater |
| Washington, George, School |
| Washington Vocational School |
| WCAU Studios |
| Westinghouse, George, Memorial Bridge |
| Wissahickon Memorial Bridge |
Data from United States Park Service and Wikidata