| Ubl, John E.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | DIAMOND ALKALI | First Assistant |
| Ubl, John E.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | EDMUND P. SMITH | Chief Engineer |
| Ubl, John E.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | EDMUND P. SMITH | Chief Engineer |
| Ubl, John E.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | EDMUND P. SMITH | Chief Engineer |
| Ubl, John E.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | FONTANA | Chief Engineer |
| Ubl, John E.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | FONTANA | Chief Engineer |
| Ubl, John E.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | UNITED STATES GYPSUM | Chief Engineer |
| Ubl, John E.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | UNITED STATES GYPSUM | Chief Engineer |
| Ubl, John E.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | UNITED STATES GYPSUM | Chief Engineer |
| Ubl, John E.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | UNITED STATES GYPSUM | Chief Engineer |
| Ubl, John E.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | B. W. DRUCKENMILLER | Chief Engineer |
| Ubl, John E.; 1961 Red Book; 1961 | 1961 Red Book | 1961-00-00 | DETROIT EDISON | Chief Engineer |
| Ubl, John E.; 1962 Red Book; 1962 | 1962 Red Book | 1962-00-00 | DETROIT EDISON | Chief Engineer |
| Ubl, John E.; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | DETROIT EDISON | Chief Engineer |
| Ubl, John E.; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | DETROIT EDISON | Chief Engineer |
| Ubl, John E.; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | ADAM E. CORNELIUS | Chief Engineer |
| Ubl, John E.; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | ADAM E. CORNELIUS | Chief Engineer |
| Ubl, John E.; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | ADAM E. CORNELIUS | Chief Engineer |
| Ubl, John E.; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | ADAM E. CORNELIUS | Chief Engineer |
| Ubl, John E.; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | ADAM E. CORNELIUS | Chief Engineer |
| Ubl, John E.; 6/48 Great Lakes Review; 1948 | 6/48 Great Lakes Review | 1948-00-00 | DIAMOND ALKALI | First Assistant |
| Ubl, John E.; Great Lakes News 7/43; 1943 | Great Lakes News 7/43 | 1943-00-00 | EDMUND P. SMITH | First Assistant |
| Ubl, John E.; Great Lakes Review. 1944 | Great Lakes Review. 1944 | 1944-00-00 | FONTANA | First Assistant |