1. Letter from Roy D. Schmickel to Ching-Juh Lai Creator: ?The? University of EdinburghSchmickel, Roy D. Date: [1976] Genre: Letters (correspondence)
2. Letter from Roy D. Schmickel to Daniel Nathans Creator: ?The? University of EdinburghSchmickel, Roy D. Date: 24 September 1975 Genre: Letters (correspondence)
3. Letter from Roy D. Schmickel to Daniel Nathans Creator: ?The? University of EdinburghSchmickel, Roy D. Date: [December 1975] Genre: Letters (correspondence)