1935 [4], 112 p., 4 figures, 30 photographic plates, large coloured folded map, paperbound. Published in: Tijdschrift van het Koninklijk Nederlands Aardrijkskundig Genootschap. Ex library Dr. Lieftinck. Very good copy.
1948-1954 ccxix, 631 p., numerous portraits, figures and distribution maps, green marbled cloth. Ex library E.A. Mehlbaum (with his signature and written name).
1932 157 p., 8 figs, 37 pls, 5 folded tables, paperbound (no covers). Published in: Archiv fur Hydrobiologie. Suppl.-Bd. XI.
1927-1948 Includes important papers like: The Styracaceae of Netherlands India (61 p., 15 figs) / Report of a Botanical Trip to the Ranau Region, S. Sumatra (56 p., 11 figs) / Botanical Results of a Trip to the Anambas and Natoena Islands (61 p., 11 figs).
1957 68 p., 7 figures, paperbound. Reprint from: Flora Melesiana.
1950-1958 clii, 639, 115 p., 26 figures, 5 pages of handwriting samples, 3 folded maps, numerous portraits, cloth / paperbound (Supplement). The first supplement is added. Interesting copy previously owned by Dr. C.A. Backer with many annotations in his hand and several newspaper clipping of obituaries of Dutch biologists. Inserted is also a typed and signed letter by Dr. C.G.G.J. van Steenis to Backer dated 1951 deploring the fact that the Herbarium Bogoriense is not functioning as should.
Couverture souple. Broché. 72 pages. 32 photos, 13 tableaux, 2 cartes en couleurs.
Livre en anglais. En anglais. The Netherlands, 1965.
1973 240 p., 267 pls, paperbound.This is the 16th and last installment in a series of which the first 15 were published between 1928 and 1941. 600 copies were published. Good copy.