"An excellent advertisement for the institution" : the development of academic freedom, 1886-1919 -- "In the camp of the people" : academic Communists in the 1930s and 1940s -- "Conduct unbecoming" : the political repression of academic radicals, 1932-1942 -- "A matter of ethical hygiene" : the exclusion of communists from academic life after World War II -- "Drawing the line" : the academy's early response to congressional investigations and right-wind attacks -- "A very fertile field for investigation" : congressional comitteess, unfriendly witnessess, and the academic community -- "Frankly and freely" : investigating committees and the academic witnesses in the spring of 1953 -- "The slow treatment" : academic committees and their unfriendly witnesses -- "A source of friction" : the quieter dismissals of left-wing teachers -- "A very fifficult time of it" : the academic blacklist -- "Without guidance" : the academic profession responds to McCathryism