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, 1886)

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 the invertebrata : a text-book for students - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (A. and C. Black, 1893)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1998)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1999)

Zoosystematics and evolution (Pensoft, 2015)

Zoosystematics and evolution (Pensoft, 2018)

Zoosystematics and evolution (Pensoft, 2019)

Zoosystematics and evolution (Pensoft, 2020)

Zoosystematics and evolution (Pensoft, 2023)