Bulletin A /

no.17 Aug. 1961; no.2 rev., no.3, no.4 rev. Jan. 1960-Mar. 1965; no.13 rev. Mar. 1965; no.24 Mar. 1965; no.40 Mar. 1965; no.16 rev. July 1966; no.22 rev. May 1966; no.44 Feb. 1966; no.45 Aug. 1966; no.46 Jan. 1966; no.50 Feb. 1967; no.56 Dec. 1968; no.59 July 1969; no.64 Dec. 1969; no.66 1970; no.68 Feb. 1970; no.70 Apr. 1970; no.71 Mar. 1971; no.73 Oct. 1971; no.62 rev. Oct. 1972; no.74 Apr. 1973; no.76 May 1973; no.61 rev. [1974]; no.43 rev. 1975; no.55 rev. 1975; no.78-84, 86-89 1974-1976; no.32 rev. Oct. [1976]; no.16 rev. 1977; no.20 rev. 1977; no.73 rev. [1978]; no.23 rev. Jan. 1979; no.63 rev. Apr. 1979; no.1 rev. spring 1980; no.32 Apr. 1980; no.43 Nov. 1965; no.69 Nov. 1970; no.15 Nov. 1978