ROBSON, G. C., A Monograph of the Recent Cephalopoda based on the Collection in the British Museum (Natural History), Part I. Octopodinae, pp.xi+236, 7pls, 1929 / Part II. The Octopoda (excluding the Octopodinae), pp.xi+359, 6pls, 1932, British Museum 發行(Part I 約 10 圓, Part II 約 12 圓)