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72 1818 Botany Backer C A
72/1818 [Botany]. Backer, C.A. The problem of Krakatao as seen by a botanist. Weltevreden/ The Hague, Visser & Co./ M. Nijhoff/ the author, (1929), 299p., maps, orig. wr., 4to.

- Dedication on first blank.

Docters van Leeuwen, W.M. Biology of plants and animals occuring in the higher parts of Mount Pangrango-Gedeh in West-Java. Amst., Noord-Hollandsche Uitgevers-Mij., 1933, (8),278p., 30 plates, orig. wr.

- Backstrip worn.

= Verhandelingen der Koninklijke Akademie van Wetenschappen te Amsterdam, afdeeling natuurkunde (tweede sectie). Deel XXXI.

AND 3 others, i.a. F.C. VON FABER, Die Kraterpflanzen Javas in physiologisch-ökologischer Beziehung (Weltevreden, 1927, 18 plates, orig. wr.).

€ (50-70)