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

The Zoologist : a monthly journal of natural history (1882)

The Zoologist : a monthly journal of natural history (1883)

The Zoologist : a monthly journal of natural history (1884)

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

The Zoologist : a monthly journal of natural history (1886)

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 (1892)

The Zoologist : a monthly journal of natural history (1894)

The Zoologist : a monthly journal of natural history (1896)

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 (1900)

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

The Zoologist : a monthly journal of natural history (1902)

The Zoologist : a monthly journal of natural history (1903)

The Zoologist : a monthly journal of natural history (1904)

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

The Zoologist : a monthly journal of natural history (1907)

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

The Zoologist : a monthly journal of natural history (1910)

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

The Zoologist : a monthly journal of natural history (1914)

The Zoologist : a monthly journal of natural history (1915)

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

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

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

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)

Zur Morphologie des Vogelskelets : Vergleichende Osteologie der normalen Tagraubvögel (Accipitres) und die Fragen der Classification / von Dr. P. Suschkin - Moskovskoe obshchestvo liubitelei prirody. (Kouchnéreff, 1905)

Zur Ornithologie Brasiliens : Resultate von Johann Natterers Reisen in den Jahren 1817 bis 1835 - Natterer, Johann, 1787 -1843 (A. Pichler's Witwe & Sohn, 1871)

Zur vergleichenden Anatomie des Brustschulterapparates und der Schultermuskeln. V. Teil, Vögel - Fürbringer, Maximilian, 1846 -1920 (Gustav Fischer, 1902)