Archiv für Naturgeschichte (Nicolai, 1907)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark - Agassiz, Alexander, 1835 -1910 (Printed for the Museum, 1914)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark - Agassiz, Alexander, 1835 -1910 (Printed for the Museum, 1917)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1905)