Showing 1 - 2 results of 2 for search 'Ruby, Lionel', query time: 0.01s Refine Results
  1. 1

    The art of making sense : a guide to logical thinking / by Ruby, Lionel

    Published 1974
    Book
  2. 2

    The art of making sense / by Ruby, Lionel

    Published 1972
    Book