- CollectionMS/MS01.113 - Duane Krohnke Papers
- Box1 - Duane Krohnke '61 on Joseph Welch '14
- 6 more...
- File7 - Felix Frankfurter Papers
- File8 - Research Notes: Joseph Welch
- File9 - Duane Krohnke research notes: Leonard Bernstein and Joseph Welch articles
- File10 - Welch Correspondence in Manuscript Collections
- File11 - Estate of Joseph N. Welch
- File12 - Cases in which Welch was counsel (photocopies)