"Neuroptera North America." . . "Libellules Amérique du Nord." . . "North America." . . . . "Aeshna." . . "Aeshnidae." . . . . . . "North American dragonflies of the genus Aishna"@en . . . . "The North American dragonflies of the genus \"Aeshna\", by E. M. Walker" . . . . . . . . . . . . . . "The North American Dragonflies of the genus Aeshna" . . . . "The North American Dragonflies of the Genus Aeshna. [With twenty-eight plates.]"@en . . . . . . . . "The North American dragonflies of the genus Aeshna"@en . "The North American dragonflies of the genus Aeshna" . . . . . "Dragonflies North America." . . "Neuroptera." . . "Aeshna North America." . . "Dragonflies." . . "Aeshnidae North America." . .