. "The Rothschild collection of fleas : the Ceratophyllidae : key to the genera and host relationships : with notes on their evolution, zoogeography, and medical importance" . . . . . . . . . "The Rothschild collection of fleas : the Ceratophyllidae : key to the genera and host relationships : with notes on their evolution, zoogeography and medical importance" . . "The Rothschild collection of fleas : the Ceratophyllidae : key to the genera and host relationships ; with notes on their evolution, zoogeography and med. importance" . . . "The Rothschild collection of fleas the Ceratophyllidae : key to the genera and host relationships : with notes on their evolution, zoogeography, and medical importance"@en . . . . . . "The Rothschild collection of fleas : the Ceratophyllidae : key to the genera and host relationships with notes on their evolution, zoogeography and medical importance" . "Catalogs and collections" . "Catalogs and collections"@en . . . . . . . "Ceratophyllidae." . . "collection Siphonaptera Rothschild (famille) [catalogue]" . . "Aufsatzsammlung." . . "Siphonaptera classification Catalogs." . . . . "Siphonaptera British Museum-Natural History (Londres)" . .