1961 99 p., 56 figures, mostly grouped on unnumbered plates, green buckram with gilt title on the spine. Bulletin of the British Museum (Natural History). With a taxonomy of the West African Aphididae: Aphidinae, Callipterinae, Thelaxinae, Greenideinae, and Erisomatinae. Library stamp on the front paste-down and a small label on the spine, but otherwise a very good clean copy.
1972 87 p., 41 figures, 5 (2 folded) tables, paperbound. Bulletin of the British Museum (Natural History). Very good copy, as new.
1976 23 p., 14 figures, printed wrappers. Bulletin of the British Museum (Natural History). Very good copy, as new.
1972 87 p., 41 figures, 5 (2 folded) tables, paperbound. Bulletin of the British Museum (Natural History). Two small stains on the front cover, else good.