May 1967 Geneva A20/1 - Provisional agenda World Health Assembly, 20. (1967). Twentieth World Health Assembly, Geneva, 8-26 May 1967: part II: verbatim records of plenary meetings: summary records and reports of committees World Health Assembly, 20. (1968). Twentieth World Health Assembly, Geneva, 8-26 May 1967: part I: resolutions and decisions: annexes
