Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 545-591

Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 593-626

Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 773-802

Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 819-866

Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 867-876

Published in Anales de la Universidad de Chile, in 1912, in volume 130, pages 959-989