21. Telephone conversation with Mrs. Rosalie Earle, Executive Secretary of the New York State Society for Medical Research Publication: Produced: 21 July 1966 Subject(s): Animal ExperimentationLegislation as Topic Archival Collection: The Clarence Dennis Papers (Profiles in Science)
22. Phone talk with Visscher July 21, 1966 Publication: Produced: 21 July 1966 Subject(s): Animal ExperimentationLegislation as Topic Archival Collection: The Clarence Dennis Papers (Profiles in Science)
23. Telephone conversation with Dr. Visscher and Dr. Dennis Publication: Produced: 5 August 1966 Subject(s): Animal ExperimentationLegislation as Topic Archival Collection: The Clarence Dennis Papers (Profiles in Science)
24. Telephone conversation with Dr. Maurice Visscher Publication: Produced: 22 July 1966 Subject(s): Animal ExperimentationLegislation as Topic Archival Collection: The Clarence Dennis Papers (Profiles in Science)