Annual Report to Shareholders
Dayco
| Alabama | 1960-1980 |
| Harvard | 1958-60. Microfilm: 1921-22, 33-35, 37-73. |
| Purdue | 1950-1967, 1968-1979, 1980-1985. |
| MIT | 1961, 1962, 1963, 1964, 1965, 1966, 1967 |
| Alabama | 1960-1980 |
| Harvard | 1958-60. Microfilm: 1921-22, 33-35, 37-73. |
| Purdue | 1950-1967, 1968-1979, 1980-1985. |
| MIT | 1961, 1962, 1963, 1964, 1965, 1966, 1967 |