1975 vii, 171 p., 74 sets of figures, frontispiece, hardbound. Library stamps, else a very good copy.
1974 vi, 238 p., 56 text figures, publisher's red cloth, gilt title on spine, gilt vignette and title on front board, dust jacket (with tear). A fine publication on locust systematics, with excellent illustrations (photos). Contains the description of new species. Published in the "Series Entomologica", volume 10. Faint library stamp on first free endpaper, and blindstamp on title page-page, otherwise a good copy.
1965 xiii, 578 p., 452 figures, cloth (dust jacket). Library stamps, else good copy.
1968 312 p., 132 figures, new half cloth, author/title in gilt on spine (original printed covers bound in). Library stamps, else very good, bound copy.
1968 312 p., 132 figures, paperbound. Front cover missing. Library stamps and library markings. Working copy.
1975 171 p., 74 figs, frontispiece, hardbound. Library stamps.
1965 xiii, 578 p., 452 figures, cloth (dust jacket). Very good, dust jacket slightly damaged.
1965 xiii, 578 p., 452 figures, cloth. Library stamps, else good copy.
1974 vii, 238 p., 56 figs, 41 pls, cloth (dust jacket).
1956 151 p., 518 text figures, 4to, paperbound. (original printed covers). Museo do Dundo no. 28.