1981-1985 655, 777, 591, 650, 644 p., num. figs & maps, hardbound (dust-jackets). Very good.
1963-1970 478, 548, 505, 653, 563, 576 & 628 p., num. figs & maps, hardbound. Tape mark on front cover and library stamps. Missing volume 3.
1963 478 p., num. figs & maps, hardbound. Ex library Dr. J.H. Stock (with his stamp). The very first volume of this famous ongoing series.