Published in Hedwigia, in 1905, in volume 44, pages 57-71

Published in Hedwigia, in 1905, in volume 44, pages 112-132

Published in Hedwigia, in 1905, in volume 44, pages 168-178

Published in Hedwigia, in 1905, in volume 44, pages 330-346

Published in Hedwigia, in 1905, in volume 44, pages 347-349

Published in Hedwigia, in 1905, in volume 44, pages 371-375

Published in Hedwigia, in 1905, in volume 45, pages 44-52