Template:ICZN Opinion 516

• ICZN, 1958. Opinion 516. Vol 19: 1–44. Determination under the Plenary Powers of the relative precedence to be assigned to certain works on the Order Lepidoptera (Class insecta) published in 1775 by Pieter Cramer, Michael Denis & Ignaz Schiffermüller, Johann Christian Fabricius, Johann Casper Fuessley, and S.A. von Rottemburg respectively. BHL.  
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