Published in Schedulae Orchidianae, in 1923, in volume 2, pages 1-38
Published in Schedulae Orchidianae, in 1923, in volume 3, pages 1-27
Published in Schedulae Orchidianae, in 1923, in volume 4, pages 1-60
Published in Schedulae Orchidianae, in 1923, in volume 5, pages 1-42