1. 1
    by Trevor, Malcolm, 1932-
    Published 1983
    ...HD 2907 .T816...
    Book
  2. 2
    by Gilpin, Robert
    Published 1975
    ...HF 1455 .G489...
    Book
  3. 3
    by Went, Robert, 1955-
    Published 2000
    ...HF 1359 .W477 2000...
    Book
  4. 4
    by Petras, James F., 1937-
    Published 2001
    ...HF 1455 .P493 2001...
    Book
  5. 5
    by Santoro, Michael A.
    Published 2009
    ...HF 1604 .S237 2009...
    Book
  6. 6
    Published 1992
    ...HG 5993 .F726 1992...
    Book