Bolívar.

no.1-3 1951; no.3-5 1951; no.4-5 1952; no.6-8 1952; no.9-10 1952; no.11-13 1952; no.14-15 1952; no.16-17 1953; no.18-21 1953; no.18-20 1953; no.21-22July-Aug 1953; no.21-23 1953; no.22-25 1953; no.23-25Sep-Dec 1953; no.24-25 1953; 31-34 (1954); 26-30 (1954); no.26-27Jan-Mar 1954; no.26-29 1954; no.26-28 1954; no.28-30Apr-June 1954; no.30-33 1954; no.31-32July-Aug 1954; no.32-35 1954; no.33-35Sep-Dec 1954; no.34-37 1954-1955; 36-40 (1955); 41-44 (1955); no.36-38Jan-Apr 1955; no.36-37 1955; no.38-41 1955; no.38-40 1955; no.40June 1955; no.41-45 1955; no.42-45 1955; 47-48 (1957); no.46-48 1957; no.47-48 1957; no.49-41 1958-1959; no.52-58 1959-1960; no.59-61 1961; v.14 1961