Available at the Internet Archive are digitized versions of yearbooks from Union University of Jackson, TN.  The school began as Southwestern Baptist University. You can read more about the history of the school at Wikipedia. 

Volumes of the yearbook available online include:

• 1904 | 1906 | 1908 | 1910 | 1912 | 1914 
• 1916 | 1918 | 1922 | 1924 | 1925
• 1926 |1927 | 1928 | 1929 | 1930
• 1931 | 1932 | 1933 | 1934 | 1935
• 1936 | 1937 | 1938 | 1939 | 1940
• 1941 | 1942 | 1943 | 1944 | 1945 
• 1946 | 1947 | 1948 | 1949 | 1950
• 1951 | 1952 | 1953 | 1954 | 1955
• 1956 | 1957 | 1958 | 1959 | 1960
• 1961 | 1962 | 1963 | 1964 | 1965
• 1966 | 1967 | 1968 | 1969 | 1970
• 1971 | 1972 | 1973 | 1974 | 1975
• 1976 | 1977 | 1978 | 1979 | 1980
• 1981 | 1982 | 1983 | 1984 | 1985
• 1986 | 1987 | 1988 | 1989 | 1990
• 1991 | 1992 | 1993 | 1994 | 1995
• 1996 | 1997 | 1998 | 1999 | 2000