A pair of antique Russian books titled World History edited by Hans Helmolt. First two volumes out of nine. Published in Saint Petersburg in 1902 and 1909. Fabric hardcover with leather binding, with color maps and illustrations. Pre-reform spelling. Both volumes bear bookplates of A.L. Pozdnikov. Hans Ferdinand Helmolt, 1865 to 1929, was a German historian and political essayist. Antiquarian Librarian Books For Collectors, Russian Books.