1. 1
    Published 1976
    ...HN 383.5 .S678 p...
    Book
  2. 2
    by Jacob, Margaret C., 1943-
    Published 1991
    ...HS 416 .J15...
    Book
  3. 3
    by Offen, Karen M.
    Published 2000
    ...HQ 1587 .O32 2000...
    Book