| Owner | Count | 1.
| Portage Free Library, Portage, Wisconsin | 2 | 2.
| Portage Lake Garden Club, Onekama, Michigan | 1 | 3.
| Portage Park, Barberton, Ohio | 1 | 4.
| Portage Path School, Akron, Ohio | 1 | 5.
| Portage Township Library, Houghton, Michigan | 1 | 6.
| Portales High School, Portales, New Mexico | 1 | 7.
| Porte, Wayne H., Altoona, Pennsylvania | 1 | 8.
| Porter, A. W., | 1 | 9.
| Porter, Alexander Breese, Boston, Massachusetts | 1 | 10.
| Porter, Alexander S., Mrs, Boston, Massachusetts | 1 |
|