Karsten, G. and H. Schenck. Vegetationsbilder. Reihe 1-17. Jena; 1903-1926; Verlag von Gustav Fischer. 17 Bindings with 8 separate numbers ("Hefte") each bound together by strings in the original covers ("Reihe" 17, bound in different cover). All together 136 numbers in very good condition! Very nice and scarce run! [24613]