1. 1
    by Perdue, Peter C., 1949-
    Published 1987
    ...HD 2100 .H86 .P433...
    Book
  2. 2
    Published 2001
    ...HD 5907 .Z7 .A278 2001...
    Book
  3. 3
    Published 1993
    ...HD 1470.5 .U5 .S625...
    Book
  4. 4
    by Fairweather, John R.
    Published 1985
    ...HD 1120.5 .F172...
    Book