• Book:
  Reeve 1856: Conchologia Iconica, or Illustrations of the shells of molluscous animals .
  Chapter: "The Ampullaria", 1856.
  Now available: Complete text and illustrations.

• Book:
  Hupe 1857: Mollusques de L'Amerique du Sud
  Chapter: "Ampullaria".
  Now available: Complete text and illustrations.

• Book:
  S.S. Haldeman's "A Monograph of the Freshwater Univalve Mollusca of the United States", Philadelphia, (1840-1845).
  Available: Two Ampullarid illustrations from the book.
  

• Book:
  Charles Knight's "The Pictorial Museum of Animated Nature" (London: 1844), p. 214-215.
  Available: Illustrations (1 page) and the accompanying text (1 page) (pdf document, 125kb).

• Book:
  Alderson, E. G. 1925. Studies in Ampullaria W. Heffer & Sons, Cambridge, England.
  Complete text of the book (Pdf document, 600kb, 124 pages, not proof-readed). Illustrations will follow soon.

• Plate:
  George Perry's Conchology, or the Natural History of Shells, 1811.
  Pomacea maculata illustration.

• Article:
  Annandale, N. 1920. The apple-snails of Siam. J. Nat. Hist. Soc. Siam, 4(1): 1-24, pl.1-2.
  Will folow soon...

• Painting:
  "Flower paintings", Ambrosius Bosschaert (1573-1621).
  Note: a Pila sp. shell is situated at the right corner.

'Snail tale' indonesian tale about an apple snail.

http://www.applesnail.net