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Remarks on the Mid-May Census
Published in The Wilson Bulletin, in 1917, in volume 29, issue 1, pages 30-32
Created: 2016-11-27, modified: 2016-11-27
Vereinsangelegenheiten
Published in Entomologische Zeitung Stettin, in 1869, in volume 30, pages 312-314
Created: 2016-11-22, modified: 2016-11-22