Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1903)

A century of progress in the natural sciences, 1853-1953 - California Academy of Sciences (1955)

chong sheng hai cao di si ji wei ti sheng wu qun ji qi di zhi yi yi - di zhi kuang chan bu hai yang di zhi zong he yan jiu da dui zhong guo di zhi da xue bei jing (di zhi chu ban she, 1988)

The classification of lower organisms - Copeland, Herbert Faulkner (Pacific Books, 1956)

The classification of lower organisms - Copeland, Herbert Faulkner (Pacific Books, 1956)

Mémoires du Muséum national d'histoire naturelle Série C Sciences de la terre - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1971)

Nordisches Plankton - Brandt, Karl Andreas Heinrich, 1854 -1931 (Lipsius & Tischer, 1901)

Palaeontology - Palaeontological Association (Palaeontological Association, 1968)

Palaeontology - Palaeontological Association (Palaeontological Association, 1968)

Palaeontology - Palaeontological Association (Palaeontological Association, 1968)

Palaeontology - Palaeontological Association (Palaeontological Association, 1997)

Palaeontology - Palaeontological Association (Palaeontological Association, 1997)

Palaeontology - Palaeontological Association (Palaeontological Association, 1997)