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

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1910)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1911)

Monografia delle Nereidi fossile del M. Bolca : con 6 tavole litografiche / del D. A. B. Prof. Massalongo - Massalongo, Abramo, 1824 -1860 (Tipografia di Giuseppe Antonelli, 1855)

A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum - British Museum (Natural History). Department of Botany. (Printed by Order of the Trustees, 1894)

A monograph of the British pleistocene mammalia - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1866)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1866)

A monograph on the structure and development of the shoulder-girdle and sternum on the Vertebrata - Parker, William Kitchen William Kitchen Parker 1823 -1890 (R. Hardwicke, 1868)

Monographie der fossilen Flora der Pithecanthropus-Schichten - Schuster, Julius, 1886 -1949 (Verlag der Königlich Bayerischen Akademie der Wissenschaften, 1911)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1872)

Die Morphogenie der Primatenzähne : eine weitere Begründung und Ausarbeitung der Dimertheorie - Bolk, L. (Louis), 1866 -1930 (Verlag von Gustav Fischer, 1914)

Morphologische Arbeiten (G. Fischer, 1891)

Morphologische Arbeiten (G. Fischer, 1892)

Morphologische Arbeiten (G. Fischer, 1896)

Morphologische Arbeiten (G. Fischer, 1898)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)