Originally presented as the author's thesis, University of Iowa, 1965.
Includes bibliographical references (pages 241-254).
Two medici and two overtures -- National council or general council? -- Heresiarch and Inquisitor-general : A court divided -- The colloquy of Poissy begins : September 9 and 16, 1561 -- The petit colloque and closure of the assembly : The decay of dialogue -- The eleventh hour : Confessions and the conferences on Icons -- The case of the cardinal or Lorraine -- Conclusions.