illuminates how they are represented, as well as their political and historico-cultural background, based on the so-called 'Indian Museum' of the Dresden sculptor Ferdinand Pettrich (1798-1872). In the 1830s, Pettrich traveled to Washington and portrayed representatives of Indian tribes in 33 reliefs, statues, busts and bozzetti made of terracotta-colored plaster. These tribes were negotiating treaties with the US government about the future usage of the land.