Presented in part at the 152nd annual meeting of the American Psychiatric Association, Washington, D.C., May 15–20, 1999. Received June 22, 2000; revision received Jan. 5, 2001; accepted March 1, 2001. From the Anxiety Disorders Prevention Program and the Centers for Mid-Life and Late-Life Mood and Anxiety Disorders, Department of Psychiatry, University of Pittsburgh Medical Center, Western Psychiatric Institute and Clinic; and the University of Pennsylvania, Philadelphia. Address reprint requests to Dr. Shear, Anxiety Disorders Clinic, Western Psychiatric Institute and Clinic, 3811 O’Hara St., Pittsburgh, PA 15213-2593; firstname.lastname@example.org (e-mail). Supported by NIMH grant MH-53817 and Intervention Center grants MH-52247, MH-30915, MH-00295, MH-37869, and MH-43832. The authors thank therapists Kate Harkness, Pamela Stimac, Rebecca Siberman, Lee Wolfson, Jean Picone, Ulrika Feske, Mike Greenwald, and Lin Ehrenpreis for assistance with traumatic grief treatment and Mary McShea, Barbara Kumer, Gloria Klima, Tracey Wang, and Linda Buckley for technical assistance.