Literature, Württemberg. 'Die Briefmarken von Württemberg 1851–1881', Karl Köhler, revised, supplemented, and edited by Consul H. E. Sieger, 1940, numbered edition 370/500, 136 pp., including all 13 reprints made only for this book, listed in Michel Spezial. Cover somewhat worn, spine with small tear and one reprint with small remark. Bibliophile rarity.