Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 1-43

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 57-64

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 65-78

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 135-141

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 141-142

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 223-230

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 391-404

Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 420-426