12 hardbound folio volumes (275 mm. x 210 mm.) in publisher's decorated, light brown leather backed cloth bindings with blue boards. No dust jackets, as issued. Mildly rubbed spines and minor spots here and there in the first volumes, else a fresh copy. The first four volumes a bit weak at inner hinges in the end and the beginning. Volume 11 and 12 are appendix-volumes. An extraordinary, rich and exciting illustrated work in black and white and colour; ca. 11000 illustrations. (VI), 1024 p. + (VI), 1040 p. +(IV), 1030 p. + 1033 p. + 1197 p. + 1117 p. + XIV, (II), 1110 p. + 973 p. + 1086 p. +998 p. + 1054 p. + 1153 p.
Scarce complete !