Hartley, P H T (ed) books & textbook
The IBIS Journal of the British Ornithologists" Union Volume 111 Nos 1-4 + index of authors and subjects
Academic Press for The British Ornithologists' Union /1969T Paperback
The IBIS Journal of the British Ornithologists" Union Volume 112 Nos 1-4 + contents list + index of authors and subjects
Academic Press for The British Ornithologists' Union /1970T Paperback
The IBIS Journal of the British Ornithologists" Union Volume 110 Nos 1-4
Academic Press for The British Ornithologists' Union /1968T Paperback
The IBIS Journal of the British Ornithologists" Union Volume 114 Nos 1-4 + contents list + index of authors and subjects
Academic Press for The British Ornithologists' Union /1972T Paperback
The IBIS Journal of the British Ornithologists" Union Volume 113 Nos 1-4 + contents list + index of authors and subjects
Academic Press for The British Ornithologists' Union /1971T Paperback
