1973-11-10: 25th anniversary of the National Paintings Gallery

1973-10-29: Water sports: sailing

1973-10-23: History of Bulgaria

1973-09-24: Wall Paintings from the Boyana Church

1973-08-20: 50th Anniversary of September Uprising

1973-06-29: Fauna (1973)

1973-05-05: Wild Flowers

1973-04-03: Flight Tourism

1973-02-26: Ethnic folk koukeri masks

1973-02-19: 100th Day of Death of Vasil Levski

1973-01-24: Undersea research in the Black Sea