THE FIRST GEOLOGISTS - THE ARCHAEOLOGY OF THE ORIGINAL ROCK BREAKERSISAAC GL.1978; GEOLOGICAL BACKGROUND TO FOSSIL MAN. RECENT RESEARCH IN THE GREGORY RIFT VALLEY, EAST AFRICA. SYMPOSIUM/1975/LONDON; GBR; EDINBURGH: SCOTTISH ACAD. PRESS; DA. 1978; PP. 139-147; BIBL. 1 P.Conference Paper

ASPECTS OF HUMAN EVOLUTION = ASPECTS DE L'EVOLUTION HUMAINEISAAC GL.1983; EVOLUTION FROM MOLECULES TO MEN. DARWIN CENTENARY CONFERENCE/1982/CAMBRIDGE; GBR; CAMBRIDGE: CAMBRIDGE UNIV.; DA. 1983; PP. 509-543; BIBL. 5 P.; ILL.Conference Paper

RADIOCARBON DATING OF EAST AFRICAN LAKE LEVELS. NEW OBSERVATIONS PROVIDE FRESH INSIGHTS INTO LATE QUATERNARY PALEOCLIMATES.BUTZER KW; ISAAC GL; RICHARDSON JL et al.1972; SCIENCE; 1972, VOL. 175, NUM. 4026, P. 1069 A 1076Miscellaneous