Morphologische Arbeiten (G. Fischer, 1891)

Morphologische Arbeiten (G. Fischer, 1898)

Morphologische Studien an Echinodermen - Ludwig, Hubert, 1852 -1913 (W. Engelmann, 1877)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

The morphology, karyology and taxonomy of a new freshwater planarian of the genus Phagocata from California : (Platyhelminthes: Turbellaria) - Royal Ontario Museum. (Royal Ontario Museum, 1975)

Morris's human anatomy; a complete systematic treatise by English and American authors - Jackson, Clarence Martin, 1875 -1947 (P. Blakiston's Son & Co, 1914)

Morris's human anatomy; a complete systematic treatise by English and American authors - Jackson, Clarence Martin, 1875 -1947 (P. Blakiston's Son, 1914)