BioStor
 | The systematics and zoogeography of the Unionidae (Mollusca: Bivalvia) of the southern Atlantic Slope region R I Johnson (1970) Bulletin of The Museum of Comparative Zoology 140: 263-449 |
 | A re-evaluation of the recent Unionacea (Pelecypoda) of North America (1970) Malacologia 10: 333-355 |
 | The freshwater molluscs of the Canadian Interior Basin (1973) Malacologia 13: 1-509 |