Easton's Bible Dictionary (1897)
Smallness, a summit on the eastern ridge of Lebanon, near which David lay after escaping from Absalom (Ps. 42:6). It may, perhaps, be the present Jebel Ajlun, thus named, “the little”, in contrast with the greater elevation of Lebanon and Hermon.
Smith's Bible Dictionary (1863)
(small), The hill, a mountain apparently in the northern part of transjordanic Palestine, from which the author of Psalm 42 utters his pathetic appeal. ver. 6.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MI'ZAR (smallness), a hill named in Ps 42:6; possibly a summit or peak on the eastern ridge of Lebanon.
Hitchcock's Bible Names (1869)
little