Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1882)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1886)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1888)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1891)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1899)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1903)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1905)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1906)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1908)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1910)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1914)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1891)

Der mittlere Jura im nordwestlichen Deutschland : von den Posidonienschiefern bis zu den Ornatenschichten, mit besonderer Berücksichtigung seiner Molluskenfauna / von D. Brauns - Brauns, David August, 1827 -1893 (T. Fischer, 1869)

Mollusca: The Southern Synthesis [Fauna of Australia. Vol. 5] - Australian Biological Resources Study (CSIRO Publishing, 1998)

Molluscan Research - Malacological Society of Australia (Malacological Society of Australia, 1994)

Le Monde des plantes - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1891)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1890)

A monograph of the British marine annelids - M'Intosh, William Carmichael, 1838 -1931 (The Ray society, 1908)

A monograph of the British marine annelids - M'Intosh, William Carmichael, 1838 -1931 (The Ray society, 1922)

A monograph of the Eocene bivalves of England - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1861)

A monograph of the existing crinoids - Clark, Austin Hobart, 1880 -1954 (Govt. Print. Off, 1921)