Luwian and the closely related Hittite are the oldest known languages of the Indo-European group. Luwian is written in two scripts: Cuneiform and its own Hieroglyphic, which survives mostly on stone monuments collected from Turkey and Syria. The texts fall into two main groups, those of the Hittite Empire (c. 1400-1200 B.C.), and those of the Iron Age (c. 1000-700 B.C.), with a transitional period (c. 1200-1000 B.C.). One of the editor's principal...