Records for Porterfield
| Year | Name | Title | Address |
|---|---|---|---|
| 1904 | Porterfield, W. H. | Buffalo, N.Y. | |
| 1906 | Porterfield, W. H. | 100, Lakeview Avenue, Buffalo, N.Y, U.S.A. | |
| 1907 | Porterfield, W. H. | 10, Lake View Avenue, New York, U.S.A. | |
| 1908 | Porterfield, W. H. | c/o H. Snowdon Ward, 6, Farringdon Avenue, E.C. |
