99 books
The Ibis, 1877, Vol. 1: A Quarterly Journal of Ornithology (Classic Reprint)
The Ibis, 1892, Vol. 4: A Quarterly Journal of Ornithology (Classic Reprint)
Ibis, Vol. 3 (Classic Reprint)
Ibis, Vol. 3 (Large Text Classic Reprint)
Ibis, Vol. 4 (Classic Reprint)
The Ibis, 1903, Vol. 3 (Classic Reprint)
Ibis, Vol. 4 (Large Text Classic Reprint)
A List of British Birds (Classic Reprint)
The Ibis, 1916, Vol. 4
The Ibis, 1904, Vol. 4: A Quarterly Journal of Ornithology (Classic Reprint)
The Ibis, 1887, Vol. 5: A Quarterly Journal of Ornithology (Classic Reprint)
The Ibis, 1860, Vol. 2
Ibis, Vol. 5 (Classic Reprint)
The Ibis Volume Ser.4
The Ibis Volume Ser. 6, V. 2 (1890)
The Ibis Volume New Series V. 4 (1868)
The Ibis Volume New Ser.
The Ibis Volume Ser. 5, V. 6 (1888) General Index (1883-88)
The Ibis Volume New Series V. 6 (1870)
The Ibis Volume Ser. 6, V. 1 (1889)
The Ibis Volume Ser. 5, V. 1 (1883)
The Ibis Volume Ser. 7, V. 2 (1896)
The Ibis Volume Ser. 4, V. 5 (1881)
The Ibis Volume Ser. 8, V. 4 (1904)
