Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1903)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1904)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1905)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1906)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1907)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1908)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1913)

Zoologisches Centralblatt (W. Engelmann, 1895)

Zoologisches Centralblatt (W. Engelmann, 1896)

Zoologisches Centralblatt (W. Engelmann, 1898)

Zoologisches Centralblatt (W. Engelmann, 1899)

Zoologisches Centralblatt (W. Engelmann, 1900)

Zoologisches Centralblatt (W. Engelmann, 1901)

Zoologisches Centralblatt (W. Engelmann, 1902)

Zoologisches Magazin - Müller, C. F. A. (1817)

Zoologisches Magazin - Müller, C. F. A. (1818)

Zoologisches Taschenbuch für Studierende zum Gebrauch bei Vorlesungen und praktischen Übungen zusammengestellt - Selenka, Emil, 1842 -1902 (Georg Thieme, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1903)

Zoologisches Zentralblatt (W. Engelmann, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1905)

Zoologisches Zentralblatt (W. Engelmann, 1906)

Zoologisches Zentralblatt (W. Engelmann, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1908)

Zoologisches Zentralblatt (W. Engelmann, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1910)

Zoologisches Zentralblatt (W. Engelmann, 1911)

The Zoologist : a monthly journal of natural history (1858)

The Zoologist : a monthly journal of natural history (1878)

The Zoologist : a monthly journal of natural history (1879)

The Zoologist : a monthly journal of natural history (1880)

The Zoologist : a monthly journal of natural history (1881)

The Zoologist : a monthly journal of natural history (1885)

The Zoologist : a monthly journal of natural history (1887)

The Zoologist : a monthly journal of natural history (1888)

The Zoologist : a monthly journal of natural history (1889)

The Zoologist : a monthly journal of natural history (1890)

The Zoologist : a monthly journal of natural history (1895)

The Zoologist : a monthly journal of natural history (1897)

The Zoologist : a monthly journal of natural history (1898)

The Zoologist : a monthly journal of natural history (1899)

The Zoologist : a monthly journal of natural history (1900)

The Zoologist : a monthly journal of natural history (1901)

The Zoologist : a monthly journal of natural history (1905)

The Zoologist : a monthly journal of natural history (1908)

The Zoologist : a monthly journal of natural history (1911)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Co, 1894)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1897)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1892)

Zoology - Elliott, Alfred M. (Alfred Marlyn), 1905 -1988 (Appleton-Century-Crofts, 1952)

Zoology; a text-book for universities, colleges and normal schools - Galloway, Thomas Walton, 1866 -1929 (P. Blakiston's son & co, 1922)

Zoology - Lovell, Harvey B. (Harvey Bulfinch) 1904 - (Van Nostrand, 1955)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt and Company, 1879)

Zoology - Goodnight, Clarence J. (Clarence James), 1914 -1987 (C. V. Mosby Co, 1954)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1886)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1895)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and company, 1893)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1880)

Zoology : for students and general readers - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1879)

Zoology of Colorado - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (University of Colorado, 1927)

Zoology of Egypt / by John Anderson - Boulenger, George Albert 1858 -1937 (B. Quaritch, 1902)

Zoology of the vertebrate animals - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1878)

Zoology, a textbook for college and university students - Chidester, Floyd Earle, 1884 -1947 (D. Van Nostrand, 1932)

Zöology; a textbook for colleges and universities - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (World book company, 1920)

Zoology : a textbook for universities, colleges and normal schools / Thomas Walton Galloway - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1915)

Zoosystematics and evolution (Pensoft, 2017)

Zoosystematics and evolution (Pensoft, 2018)

Zoosystematics and evolution (Pensoft, 2019)

Zoosystematics and evolution (Pensoft, 2020)

Zoosystematics and evolution (Pensoft, 2022)

Zoosystematics and evolution (Pensoft, 2023)

Zur Entwicklungsgeschichte des Zahnsystem der Saugethiere, zugleich ein Beitrag zur Stammesgeschichte dieser Thiergruppe - Leche, Wilhelm, 1850 -1927 (E. Nägele, 1895)