The Netto Question was the largest collective action for the liberation of slaves in the Americas. The lawsuit is related to the liberation of 217 slaves in Brazilian lands in the 1870s.
Image of the process where you can read Luís Gama's name in the lower left corner.
Luís Gama, the free black abolitionist lawyer who worked in this case
Luís Gonzaga Pinto da Gama was a Brazilian rábula, abolitionist, orator, journalist and writer, and the Patron of the abolition of slavery in Brazil.
Cover of the first edition of Primeiras Trovas Burlescas, published in 1859.
Drawing by Raul Pompeia, portraying Gama in O Mequetrefe [pt].
Bust of Gama, inaugurated in 1931, at Largo do Arouche