Die Insel-Reptilien, ihre ausbreitung, variation und artbildung.
Stuttgart: E. Schweizerbart'sche Verlag, 1930. Quarto, six photographic plates. Binder's cloth, owner's stamp, a fine copy. More
Stuttgart: E. Schweizerbart'sche Verlag, 1930. Quarto, six photographic plates. Binder's cloth, owner's stamp, a fine copy. More