1. [Dr. S. Adolphus Knopf] Publication: 1914 Subject(s): Knopf, S. Adolphus (Sigard Adolphus), 1857-1940.
2. [Dr. S. Adolphus Knopf] Publication: [1912-1924?] Subject(s): Knopf, S. Adolphus (Sigard Adolphus), 1857-1940.
3. [Dr. S. Adolphus Knopf] Publication: [1912-1924?] Subject(s): Knopf, S. Adolphus (Sigard Adolphus), 1857-1940.
4. [Dr. S. Adolphus Knopf] Publication: 1902 Subject(s): PhysiciansKnopf, S. Adolphus (Sigard Adolphus), 1857-1940.