141 items found
[Original manuscript on the variability of the striped kukri snake, Oligodon octolineatus (Schneider)].
[Frankfurt am Main, 1969]. Handwritten in ink on rectos of 23 uniform, loose, ruled leaves (20.8 x 14.8 cm), a photocopy of a single leaf of G. A. Boulenger's Catalogue of the snakes in the British Museum, volume II (1894) with a few annotations by Mertens; and another 14 leaves of several sizes, a few with printed text.Read more
[Original manuscript of his paper on the development of salamanders from the Caucasus]
[Frankfurt am Main, 1968]. Handwritten on rectos (and one verso) of two uniform, loose, ruled leaves (21.0 x 14.9 cm), and two leaves (30.0 x 21.0 cm) of the same text, as typed manuscript.Read more