Böttner,J.
Trellis and noble fruit. Planting, pruning and care. 2nd, revised edition. Ffo, Trowitzsch 1915. with 354 text ills. IV, 331 PP, 32 PP. Publisher's appendix, flex. Olwd. Rare. - ╔Including: Kunert,F.╗ Hampels Handbuch der Frucht- und Gemüsetreiberei. 4th ed. Aufl. Bln., Parey 1920 - ╔Winkler,H.╗ Untersuchungen über Pfropfbastarde. Part 1: The direct mutual influence of graft symbionts. Jena, Fischer 1912 - 3 vols. in all.