1915 Title, half title, 226 (numbered 229-454), [v] pp.; 14 photographic plates with explanatory text leaves, 4to (30.0 x 23.0 cm). Printed wrappers.A well-illustrated monograph. The plates and text figures show well-preserved ammonites including new species. This is the original, Hungarian edition, published in the series, Geologica Hungarica, volume 1(3-4). Inscribed dedication on the front wrapper, presumably by the author. Wrappers detached and chipped at edges. Otherwise clean, very good.
1915 101 p., 6 fine photographic plates and three folded geological maps (one in full colour), 4to. Original printed wrappers.Monograph with the descriptions and illustrations of new and poorly known ammonites from Lower Cretaceous and Jurassic facies. Thesis, but as indicated by the plate captions also published as Geologica Hungarica volume I. Partly uncut. A few pencil marks, otherwise a very good clean copy.
1915 248 p., 149 text figures, 14 phototype plates, 4to. Blind half cloth over marbled boards.A well-illustrated monograph. The plates and text figures show well-preserved ammonites including new species. Title of the volume, and contents page present (with stamp and clippings). The paper itself with a stamp above the drophead title but otherwise clean, unmarked. Very good.
1915 xiv, 248 (numbered 255-502), [v] p., 149 figs, 14 photographic plates with explanatory text leaves. Original printed wrappers.A well-illustrated monograph. The plates and text figures show well-preserved ammonites including new species. It was published simultanously with an Hungarian edition. Wrappers chipped at edges and detached; a tear in the inner margin of first text leaf, otherwise clean, unmarked. Very good.