SKV) 1981 MEXICO, Anniversary of the birth of the priest and historian Francisco Xavier Clavijero, 1

SKV) 1981 MEXICO, Anniversary of the birth of the priest and historian Francisco Xavier Clavijero, 1731 - 1787- Color photograph of an oil portrait, 50th Anniversary of the death of the physicist Thomas Edison, 1847 - 1931-Portrait of the inventor, with incandescent lamp and phonograph, XV Pan-American Railway Congress, 50th Anniversary of Mexican sound cinema-Scene from "Santa", directed by Antonio Moreno, Colonial architecture, Former convent of La Merced. Mexico City, House of masks. Mexico City, Chapel of the third order. Texcoco, Father Tembleque Aqueduct. Otumba, mh, includes sheet, sct 1243, 1255, 1257, 1258