ACHTERBERG, G. Oude cryptogamen. - Cryptogamen. - Cryptogamen III. Amst., 1951-54. 3 vols. Ocl. (2nd & 3rd mentioned w. (dam.) dust-j.). -- Id. Limiet. 1945. Ocl. (Bind. a bit age-toned). -- 4 vols. First editions. All inscribed by the author to 'Daisy' (Wolthers) (1922-2008). -- And 2 o. first editions by the same. (6).