Chapingo

no.10-20 1946-48; no.12-22 (1946-48); v.15-26 1947-48; no.23-33 (1948-49); v.27-39 1949-50; no.34 (1950); v.40-51 1951-55; no.37-43; no.45-56; no.57-58; no.60 (1956); v.10 no.61-66 1957; v.61-70 1957-58; v.11 no.70 1958; v.72-82 1958-60; no.74-83 (1959-60); v.12-13 no.73-83 1959-60; v.84 1960; ser. 2 v.1-3 1961-63; ser.2 no.1-15 (1961-64); ser. 2 v.4:1 1964; ser.3 no.1 (1976); ser.3 no.2 (1976); ser.3 no.3 (1977); ser.3 no.4 (1977); ser.3 no.7/8 (1977); ser.3 no.9-20 (1978-79); new ser. no.21-32 1980-81; ser.3 no.21-32 (1980-81)