4. Brazil. Sundry Minerals. Geographic Origin: Brazil Publisher: New York World's Fair 1939 Date: 1939
5. Brazil. Vegetable Oils. Geographic Origin: Brazil Publisher: New York World's Fair 1939 Date: 1939
6. Congresso Internacional de Defesa Civil. / International Congress on Civil Defense. São Paulo - Brasil. Memorial da América Latina. / Memorial for Latin America. Programa. / Program. Geographic Origin: Brazil Publisher: Coordenadoria Estadual - Governo de São Paulo Date: 1991