1977-11-26: National Philatelic Exhibition EXFIVIA 77

1977-11-10: Bolivian Radio (ASBORA), 50th Anniv.

1977-11-03: International Tin Symposium , La Paz

1977-10-31: In-state mining authority (COMIBOL), 25th Anniv.

1977-10-20: Bolivarian Games,8th Ed.

1977-06-13: Oruro Club, 90th Anniv.

1977-06-13: National News

1977-05-03: Supreme Court of Bolivia, 150th Anniv.

1977-03-18: National Seminar on "Chagas disease"

1977-02-04: Christmas 1976