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