1. Letter from F. James Rutherford to Maxine Singer Publication: Produced: 14 July 1989 Subject(s): Education Archival Collection: The Maxine Singer Papers (Profiles in Science)
2. Letter from Maxine Singer to F. James Rutherford Publication: Produced: 28 July 1989 Subject(s): Education Archival Collection: The Maxine Singer Papers (Profiles in Science)
3. Lezioni elementari di erboristeria Publication: [Italy : Arci, 1989] Subject(s): Plants, MedicinalMedicine, TraditionalEducationHerbal Medicine