Audio recording of a lecture delivered on March 20, 1999 by Curtis Wilson. This lecture was given as part of the Isaac Newton Conference & Exhibition at St. John's College, March 19-21, 1999.
Audio recording of part two of a two-part lecture delivered on August 25, 1983 by Eva Brann as part of the Formal Lecture Series. The first part of the lecture was delivered on August 18.