BOLETIN DE EDUCACION PARAGUAYA 

 - Paraguay  Ministerio de Educación y Cultura 
 - Irregular 
 - 1956 1 (1,2,3,4) 1957 1 (5,6,7,11,12,13,14,15,16) 1958 2 (17,18,19-20,21,22,23,24,25,26,27,28) 1959 3 (29-30,31,32,33,34-35,36,37,38,39-40) 1963 5 (44,45) 1964 6 (46,47,48,49) 1965 (51,52,54,55) 1967 (62,63,64,65) 1968 (66-67,68-69) 1969 (70,71,72) 1970 (73,74) 1971 (75)