M. Jastrow, Dictionary of Targumim, Talmud and Midrashic literature (Wikisource)
volume I: from א to כ
volume II: from ל to ת
J. Levy, Neuhebräisches und chaldäisches Wörterbuch über die Talmudim und Midraschim
volume I: from א to ז
volume II: from ח to ל
volume III: from מ to ע
volume IV: from פ to ת
W. Gesenius, Hebräisches und aramäisches Handwörterbuch über das Alte Testament
F. Brown & S. R. Driver & C. A. Briggs, A Hebrew and English lexicon of the Old Testament with an appendix containing the Biblical Aramaic (Archive | Wikisource)
E. Klein, A comprehensive etymological dictionary of the Hebrew language for readers of English