1937-12-02: 150th Anniversary of United States Constitution

1937-10-11: Bicentenary of founding of Rio Grande/RS by Silva Paes

1937-09-30: Tourism (1937)

1937-09-04: 50 years Esperanto

1937-06-10: Air Mail

1937-06-09: Science and Technology

1937-01-19: Languages

1937-01-02: Francisco Pereira Passos

1937: Definitives - Economy and Culture