1927 21 p., 6 figs, 1 pl., 4to, paperbound. Published in: Palaeontologia Sinica.
1925 90, [5] p., 4 figures, 16 plates, large 4to, paperbound (original printed covers). Palaeontologia Sinica. Ex libris G.A.F. Molengraaff (with his stamp). Upper right corner with purple waterstains. Back taped. Crease in front cover. Working copy only.
Wien, Springer, 1949, gr. in-8°, IV + 67 S., mit 70 Illustrationen, Original-Broschüre. Erste Ausgabe.
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