HALL, Charles Francis (1821-1871). Life with the Esquimaux... London: Sampson Low, 1864. 2 volumes, 8vo. Frontispiece portrait, 3 maps (1 folding), numerous plates and illustrations. -- MIKKELSEN, Ejnar (1880-1971). Conquering the Arctic Ice. London: William Heinemann, 1909. 8vo. Frontispiece, folding route map, numerous half-tones. -- MARKHAM, Clements Robert, Sir (1830-1916).The Lands of Silence. A History of Arctic and Antarctic Exploration.Cambridge: The University Press, 1921. 8vo. 2 folding maps, 26 photographic plates. -- RASMUSSEN, Knud Johan Victor (1879-1933). Across Arctic America. Narrative of the Fifth Thule Expedition. New York: G.P. Putnams, 1927. 8vo. 4 maps (1 folding), numerous plates from photos. -- Together, 4 works in 5 volumes, condition generally good. All FIRST EDITIONS, all in original publisher's cloth, condition generally good.