The land snail genus Amphidromus: a synoptic catalogue [by] Frank Fortescue Laidlaw and Alan Solem.

v.41:no.4(1961)

A new species of land snail from Bolivia.

v.44:no.10(1962)

The neotropical land snail genera: Labyrinthus and Isomeria (Pulmonata, Camaenidae) [by] Alan Solem.

v.50(1966)