Archiv für Naturgeschichte (Nicolai, 1901)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 2004)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1929)

The Danish Ingolf-Expedition - Wandel, C. F. 1843 -1930 (H. Hagerup, 1899)

The Danish Ingolf-Expedition - Wandel, C. F. 1843 -1930 (H. Hagerup, 1899)

The Danish Ingolf-Expedition - Wandel, C. F. 1843 -1930 (H. Hagerup, 1899)

The Danish Ingolf-Expedition - Wandel, C. F. 1843 -1930 (H. Hagerup, 1899)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1986)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1916)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1916)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1916)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1916)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1915)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1916)

Journal of the Royal Microscopical Society - Royal Microscopical Society (Great Britain) (Royal Microscopical Society, 1898)

Journal of the Royal Microscopical Society - Royal Microscopical Society (Great Britain) (Royal Microscopical Society, 1898)

Journal of the Royal Microscopical Society - Royal Microscopical Society (Great Britain) (Royal Microscopical Society, 1898)

Journal of the Royal Microscopical Society - Royal Microscopical Society (Great Britain) (Royal Microscopical Society, 1898)

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, 1899)

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, 1899)

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, 1898)

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, 1899)

The porifera and coelentera - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (Adam & Charles Black, 1900)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1886)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1900)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1900)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1898)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1898)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1898)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1898)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1898)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1904)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1880)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1898)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1898)

Zoologisches Centralblatt (W. Engelmann, 1899)