1. 1
    Published 1981
    ...HD 1329 .P26 .W555...
    Book
  2. 2
    by O'Collins, Maev
    Published 1984
    ...HQ 799 .P25 .O17...
    Book
  3. 3
    Published 1997
    ...HD 9766 .P262 .P769 1997...
    Book
  4. 4
    by Igua, Passinghan Bukley K.
    Published 2001
    ...HD 9018 .P2 .I24 2001...
    Book
  5. 5
    Published 1989
    ...HC 683.5 .Z65 .P218 1989...
    Book
  6. 6
    by Mannur, H. G.
    Published 1994
    ...HD 5100.5 .M285 1994...
    Book
  7. 7
    by Dahanayake, P. A. S.
    Published 1989
    ...HE 9897.8 .A4 .D129...
    Book