1. Letter from Maxine Singer to Donald S. Fredrickson Creator: Singer, Maxine Date: 5 October 1977 Genre: Letters (correspondence)
2. Letter from Maxine Singer to Jesse Ausubel Creator: Singer, Maxine Date: 30 November 1989 Genre: Letters (correspondence)
3. Letter from Maxine Singer to U.S. Senator Carl Levin Creator: Singer, Maxine Date: 17 May 1990 Genre: Letters (correspondence)