Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.
![Retorno de Leonel Brizola a São Borja (RS) após 15 anos de exílio em Portugal (São Borja-RS, [7] set. 1979). / Crédito: Gerson Schirmer.](/uploads/r/centro-sergio-buarque-de-holanda-csbh-fpa/1/8/d/18d250bdbd30b8783c7f7fe30fd9ebc6704efe7d1a8808eca82289b672e6c90c/_usr_share_nginx_atom_csbh-dados_DSC_F_1504_0001_142.jpg)