New York Ophthalmic and Aural Institute (New York, N.Y.)
| Title | Creator | Dates |
|---|---|---|
| Casebooks | Herman Knapp Memorial Hospital (New York, N.Y.) | 1869-1939. |
| Title | Creator | Dates |
|---|---|---|
| Herman Knapp Collection | Columbia University Department of Ophthalmology | 1859-1968 |
| Title | Creator | Dates |
|---|---|---|
| Casebooks | Herman Knapp Memorial Hospital (New York, N.Y.) | 1869-1939. |
| Title | Creator | Dates |
|---|---|---|
| Herman Knapp Collection | Columbia University Department of Ophthalmology | 1859-1968 |