1. 1
    by Gardner, Paul F., 1930-
    Published 1989
    ...HC 447 .G228...
    Book
  2. 2
    Published 1996
    ...HE 7645 .R344 1996...
    Book
  3. 3
    by Barro, Robert J.
    Published 1997
    ...HD 75 .B277 d...
    Book
  4. 4
    by Inglehart, Ronald
    Published 1997
    ...HM 891 .I51 1997...
    Book
  5. 5
    Published 2006
    ...HD 87.55 .F469 2006...
    Connect to table of contents
    Book