A Concise Etymological Dictionary of the English Language - ...
Walter William Skeat
The Adventures of Huckleberry Finn (Websters Thesaurus Edition)
Mark Twain
Studies in Word-Association; experiments in the diagnosis of ...
C. G. Jung
Thomas Kuhn
Alexander Bird
Topology Problem Solver
Research & Education Association & Emil G. Milewski
The Concept of a Riemann Surface
Hermann Weyl & Gerald R. MacLane