Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 45-146

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 77-148

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 173-239

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 289-301

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 335-367

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 369-374

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 387-479

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 411-438

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 485-503

Published in Anales de la Universidad de Chile, in 1918, in volume 142, pages 743-766