1
by Lane, Bruce
Published 2004
Ethnoscope

2
by Giroux, Yan
Published 2007
Documentary Educational Resources

5
by Foronda, Valentín de
Published 1801
En la imprenta de B. Cano

6

8
by Say, Jean Baptiste
Published 1820
Imprenta del Censor

11
[F. Suria y Burgada, [1778]

17
by Condorcet, Jean-Antoine-Nicolas de Caritat
Published 1792
Imprenta real

18
by Ruiz de Zelada, Joseph
Published 1777
Santandér

20
by Smith, Adam
Published 1794
En la oficina de la viuda é hijos de Santander