Easton's Bible Dictionary (1897)
Sun. (1.) “Mount Heres” (Judg. 1:35), Heb. Har-heres, i.e., “sun-mountain;” probably identical with Irshemesh in Josh. 19:41. (2.) Isa. 19:18, marg. (See ON.)
Smith's Bible Dictionary (1863)
(the sun), (Judges 1:35) a city of Dan, in Mount Ephraim, near Ajalon; possibly identical with Mount Jearim (Ir-shemesh, city of the gun).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
HE'RES (sun). Mount Heres, Jud 1:35; possibly the same as Ir-she-mesh; perhaps at, Kefe Huris. Heres, Isa 19:18 (margin), but the text reads "city of destruction." Calvin did not regard it as a proper name; Poole regards it as an Egyptian city inhabited by the Jews.
Hitchcock's Bible Names (1869)
the son; an earthen pot