Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1879, in volume 1879, pages 78-81

Created: 2011-01-10, modified: 2012-02-13

Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1879, in volume 1879, pages 105-111

Created: 2011-05-28, modified: 2011-06-21

Published in Sitzungsber. Ges. Naturf. Freunde Berlin, in 1879, in volume 1879, pages 149-150

Created: 2011-06-03, modified: 2011-06-21

Published in Sitzungsber. Ges. Naturf. Freunde Berlin, in 1879, in volume 1879, issue 2, pages 10-11

Created: 2010-03-21, modified: 2011-06-21

Published in Sitzungsber. Ges. Naturf. Freunde Berlin, in 1879, in volume 1879, issue 3, pages 35-37

Created: 2010-03-21, modified: 2011-06-21