Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 1-43

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 45-53

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 81-87

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 89-123

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 199-316

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 317-340

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 343-395

Published in Anales de la Universidad de Chile, in 1920, in volume 146, pages 471-598

Published in Anales de la Universidad de Chile, in 1920, in volume 147, pages 3-154

Published in Anales de la Universidad de Chile, in 1920, in volume 147, pages 155-166

Published in Anales de la Universidad de Chile, in 1920, in volume 147, pages 209-332