Helms, A. Z. (1807). Travels from Buenos Ayres, by Potosí, to Lima. With notes by the translator, containing topographical descriptions of the spanish possessions in South America, drawn from the last and best authorities (1a. ed.). Richard Phillips.

Helms, Anthony Zachariah. Travels from Buenos Ayres, by Potosí, to Lima. With Notes by the Translator, Containing Topographical Descriptions of the Spanish Possessions in South America, Drawn from the Last and Best Authorities. 1a. ed. Londres: Richard Phillips, 1807.

Helms, Anthony Zachariah. Travels from Buenos Ayres, by Potosí, to Lima. With Notes by the Translator, Containing Topographical Descriptions of the Spanish Possessions in South America, Drawn from the Last and Best Authorities. 1a. ed. Richard Phillips, 1807.