R. H.  Cowie, ?Catalog and bibliography of the nonindigenous nonmarine snails and slugs of the Hawaiian Islands?, Bishop Museum Occasional Papers, vol. 50, pp. 1-66, 1997.

A. R.  Kabat and Boss, K. J., Karl Eduard von Martens (1831?1904): his life and works, Museum of. Cambridge: Harvard University, 1997, p. vii + 417 pp.

R. H.  Cowie, ?Pila Röding, 1798 and Pomacea Perry, 1810 (Mollusca, Gastropoda): proposed placement on the Official List, and Ampullariidae Gray, 1824: proposed confirmation as the nomenclaturally valid synonym of Pilidae Preston, 1915?, Bulletin of Zoological Nomenclature, vol. 54, pp. 83-88, 1997.

F. G.  Thompson, ?Pomacea canaliculata (Lamarck, 1822) (Gastropoda, Prosobranchia, Pilidae): a freshwater snail introduced to Florida, U.S.A.?, Malacological Review, vol. 30, p. 91, 1997.

W. F.  Ponder and Lindberg, D. R., ?Towards a phylogeny of gastropod molluscs: an analysis using morphological characters?, Zoological Journal of the Linnean Society, vol. 119, pp. 83-265, 1997.

F.  Naggs, ?William Benson and the early study of land snails in British India and Ceylon?, Archives of Natural History, vol. 24, pp. 37-88, 1997.

F.  Naggs, ?William Benson and the early study of land snails in British India and Ceylon?, Archives of Natural History, vol. 56, pp. 603-606, 1997.

 and TEMPLADO, J., ?{Los ?ejemplares tipo? de las colecciones malacologicas del Museo Nacional de Ciencias Naturales}?, Monograf\'?as del Museo Nacional de Ciencias Naturales, vol. 2, pp. 1?170, 1997.