Author: Böhm, R.
Title: Étude sur la flore de l'horizon à lydiennes de la base du Carbonifère de la Montagne Noire.
Description: Montpellier, Manufacture de la Charité (Pierre-Rouge), 1935. 4to (27.3 x 22.3 cm). 33 pp.; six plates with explantory text leaves. Original printed wrappers. = Thesis (second part) of the French geologist and palaeobotanist Rodolphe Böhm. An excellent, clean copy. Very uncommon.

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