Lot: 30
Simkin, Siebert et al Volcanoes of the World, Hutchinson Ross, 1981, pictorial boards, VG; and Active Volcanoes of Kamchatka, Moscow Publishing, 1991, 2 volume set in VG/F djkts. (3)
Lot: 31
H. Tazieff & J.C. Sabroux Forecasting Volcanic Events, Elsevier, 1983, 635pp; Sigurdsson Melting the Earth, O.U.P., 1999, in fine d/jkt; Taverne Vulkaanstudien op Java, [1927]; and five others on volcanoes (one in damaged d/jt). Mainly VG/VF (7)