ISBN 0-7867-1473-5* Gregory Peck – Daily Telegraph obituary* Gregory Peck in the 1920 US Census, 1930 US Census, and the Social Security Death Index.
ISBN 0-7867-1473-5==External links==* Gregory Peck – Daily Telegraph obituary* Gregory Peck in the 1920 US Census, 1930 US Census, and the Social Security Death Index.