- CollectionArchives/RG-AL - RG-AL: Alumni Office Records
- Series3 - Class materials
- Subseries3.2 - Class Letters
- 23 more...
- Box23.5 - Photos by Joe Piersen '62
- Box24 - Class Letters
- Box25 - Class Letters
- Box26 - Class Letters
- Box27 - Class of 1920-1927. Class Letters
- Box28 - Class of 1928-1935; 1984. Class Letters
- Box29 - Class of 1943-1949 (written 2011-)
- Box30 - Class of 1950-1957 (written 2011-)
- Box31 - Class of 1958-1964 (written 2011-)
- 3 more...