Direction 104 Grant of the status of availability to the names published by C. A. Clerck in 1757 in the work Aranei Svecici and addition of the title of that work to the Official List of Works Approved as available for use in Zoological Nomenclature
Published in Bulletin of Zoological Nomenclature, in 1959, in volume 17, issue 3-5, pages 89-91
Date published:1959