The Foreign Impact on Lowland Mayan Language and Script. John S. Justeson, William M. Norman, Lyle Campbell, and Terrence Kaufman. Middle American Research Institute Publication 53. Anne C. Collins and E. Wyllys Andrews V, series editors. Tulane University, New Orleans, 1985. vii + 97 pp., notes, references, index, tables, illustrations. $27.50 (cloth).