1. 1
    Published 1990
    ...HQ 1240.5 .L29 .W872...
    Book
  2. 2
    Published 1994
    ...HN 110.5 .A8 .S678...
    Book
  3. 3
    Published 1997
    ...HN 110.5 .Z9 .C6 .C734...
    Book
  4. 4
    Published 1998
    ...HN 110.5 .A8 .C968 1998...
    Book
  5. 5
    Published 2006
    ...HN 110.5 .A8 .D612 2006...
    Book
  6. 6
    by Petras, James F., 1937-
    Published 2011
    ...HN 110.5 .A8 .P493 s 2011...
    Book