| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Philadelphia Area Architecture of Horace Trumbauer | 978-O-7385-6297-1 (O-7385-6297-1) | 2009 | Old York Road Historical Society |
R. H. · R. Hildebrandt · Rachel Hildebrandt/Old York Road His Soc