Long Armed Squid

The Cephalopod. atlas Jerusalem :Israel Program for Scientific Translations ; Springfield, Va. : available from the U. S. National Technical Information Service,1975. biodiversitylibrary.org/page/32124199

The Cephalopod. atlas Jerusalem :Israel Program for Scientific Translations ; Springfield, Va. : available from the U. S. National Technical Information Service,1975. biodiversitylibrary.org/page/32124213

Kunstformen der Natur Leipzig und Wien :Verlag des Bibliographischen Instituts,1904. biodiversitylibrary.org/page/33543500

Die Cephalopoden der Plankton-Expedition Kiel :Lipsius & Tischer,1912. biodiversitylibrary.org/page/11057013

Die Cephalopoden der Plankton-Expedition Kiel :Lipsius & Tischer,1912. biodiversitylibrary.org/page/11057017