1. Letter from Maxine Singer to Alison Stewart Publication: Produced: 26 October 1989 Subject(s): Long Interspersed Nucleotide ElementsTerminology as TopicRetroelements Archival Collection: The Maxine Singer Papers (Profiles in Science)
2. Letter from Harold Varmus to Maxine Singer Publication: Produced: 23 January 1990 Subject(s): Terminology as TopicRetroelements Archival Collection: The Maxine Singer Papers (Profiles in Science)
