THE GEOLOGICAL SURVEY OF ZAMBIA: A GEOLOGICAL SURVEY IN A DEVELOPING ENVIRONMENT.DRYSDALL AR.1972; REPUBL. ZAMBIA, REC. GEOL. SURV.; ZAMBIA; 1972, VOL. 12, P. 1 A 17Serial Issue

FOSSILS OF ZAMBIADRYSDALL AR; UTTING J.1973; GEOL. SURV. DEPT, OCCAS. PAPER; ZAMBIA ; 1973, NUM. 0057, P. 1 A 8Serial Issue

GEOLOGICAL SURVEY PROGRESS IN ZAMBIA.SWARDT AJ DE; DRYSDALL AR.1968; PROGRES.DANS.LA.RECONNAISSANCE.GEOLOGIQUE.DES.PAYS.AFRIC.PRAGUE.1968.; 1968, P. 1 A 13Miscellaneous

ZAMBIA : NEW MINES AND MINERALS ACT.DRYSDALL AR; LANGEVAD E.1970; MING MAG.; GBR; 1970(4), VOL. 122, NUM. 0004, P. 266 A 277Miscellaneous

THE GEOCHRONOLOGY OF ZAMBIA.SNELLING NJ; JOHNSON RL; DRYSDALL AR et al.1972; REPUBL. ZAMBIA, REC. GEOL. SURV.; ZAMBIA; 1972, VOL. 12, P. 19 A 30Serial Issue

OUTLINE OF THE GEOLOGY OF ZAMBIA.DRYSDALL AR; JOHNSON RL; MOORE TA et al.1972; GEOL. EN MIJNBOUW; NLD; 1972, VOL. 51, NUM. 0003, P. 265 A 276Miscellaneous

THE COAL RESOURCES OF THE ZAMBEZI VALLEY 2-SIANKONDOBO- THE KAZINZE BASIN GEOLOGY OF THE SHAFTS.DRYSDALL AR; MONEY NJ; PAGELLA JF et al.1967; ECON.REP.GEOL.SURV.DEPT.-ZAMBIA; ZMB; 1967, VOL. 1, NUM. 0014, P. 1 A 27Miscellaneous