Bibliografie.

no.91 1966; no.104 1966; no.110-119 1967; no.120-123 1967; no.105-108 1966-1968; no.124 1968; no.126 1968; no.127 1968; no.128 1968; no.129 1968; no.130-135 1968; no.136,138-141 1969; no.142,144-145 1969; no.146-151 1970; no.152-156 1970; no.157-162 1971; no.163-168 1971; no.169-174 1971-1972; no.175-179 1972-1973; no.180-181 1973; no.182-189 1973; no.190-196 1974; no.197 1975; no.198 1975; no.200-202,205-207 1976; no.208-210 1977; no.211-213 1977-1978; no.214-217 1978; no.219-221 1978