Published in Hedwigia, in 1903, in volume 42, pages 17-20

Published in Hedwigia, in 1903, in volume 42, pages 76-117

Published in Hedwigia, in 1903, in volume 42, pages 105-106

Published in Hedwigia, in 1903, in volume 42, pages 308-309

Published in Hedwigia, in 1903, in volume 42, pages 309-310