Faces da liberdade, máscaras do cativeiro

"Explores lives of blacks in last decades of slavery, based on letters of freedom issued in Rio Grande do Sul from 1858-87. A confused situation prevailed in the urban areas where status of 'free' and 'slave' overlapped; some, e.g., libertos, did not know their own status. This situation blocked development of a free labor market"--Handbook of Latin American Studies, v. 58.