1. [Donald S. Fredrickson at the Revolutionary Museum] Publication: 1973 Subject(s): PhysiciansMoscowFredrickson, Donald S.
2. [Donald S. Fredrickson in Moscow] Publication: [197-?] Subject(s): PhysiciansMoscowFredrickson, Donald S.
3. [Signing an international agreement for research] Publication: 1973 Subject(s): PhysiciansMoscowFredrickson, Donald S.
4. [Donald Fredrickson visits the USSR Academy of Sciences] Publication: 1978 Subject(s): PhysiciansMoscowFredrickson, Donald S.
