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Synopsis of Andreninæ
Authors: Charles Robertson
Published in Transactions of The American Entomological Society, in 1902, in volume 28, pages 187-194
Created: 2013-04-05, modified: 2013-04-05
A monograph of the North American Empididae
Authors: Axel Leonard Melander
Published in Transactions of the American Entomological Society, in 1902, in volume 28, pages 195-367
Created: 2012-12-13, modified: 2012-12-13