1. S.A. Knopf: Associationi Inter Nationes Contra Tuberculosim Constitutae Publication: , 1902 Subject(s): Knopf, S. Adolphus (Sigard Adolphus), 1857-1940.
2. [Sigard Adolphus Knopf] Publication: 1902 Subject(s): Knopf, S. Adolphus (Sigard Adolphus), 1857-1940.
3. [Dr. S. Adolphus Knopf] Publication: 1902 Subject(s): PhysiciansKnopf, S. Adolphus (Sigard Adolphus), 1857-1940.