76/1606 [Underground]. Provo. No. 8, 9, 10, 11 and 12. Amst., Provo, n.d. (1966-1967), 5 issues, ills., orig. wr., narrow 4to. - AND 18 other issues of various Dutch underground periodicals (incl. 7 duplicates), i.a. PROVO-KATIE no.6, 7 and 12; HELD VAN DEN GEEST no.3; PROVO'S FIETSENPLAN; 'N KWESTIE VAN LEVEN OF DOOD (publ. by Federatie van Anarchisten) and KILL RAI.