Alfred Vromant & Cie, Imprimeurs-Éditeurs, Paris - Bruxelles, (1895),1896,1897
3 works in 1 binding.8vo (22,5x14 cm). Contemporary halfmorocco, spine gilt; covers with marbled paper a few small rubbings to binding), marbled endpapers. 1) 101, (i:blank), (i:'Table'), (i:blank) pp. With 4 small text-figs.; 2)Frontcover wrappers preserved. xvi pp.; 3) Frontcover wrappers preserved. 16 pp. With 2 text-figs. - Paper age-toned; a few brown spots in places, but on the whole in good condition. - Extremely rare: very hard to find the 3 monographs together.