Typescript of a lecture given on May 07, 1971 by Curtis Wilson as part of the Formal Lecture Series. (A revised version, originally entitled "Kepler, Newton and Planetary Motion”.)
Audio recording of part one of a lecture delivered on in two parts on February 18 and 25, 1972 by Beate Ruhm von Oppen as part of the Formal Lecture Series.
Audio recording of part two of a lecture delivered on in two parts on February 18 and 25, 1972 by Beate Ruhm von Oppen as part of the Formal Lecture Series.