March 1942 (In-House Use Only)
December 1945 (In-House Use Only)
September 1946 (In-House Use Only)
June 1947 (In-House Use Only)
March 1948 (In-House Use Only)
September 1949 (In-House Use Only)
December 1951 (In-House Use Only)
March 1951 (In-House Use Only)
September 1952 (In-House Use Only)
May 1953 (In-House Use Only)
May 1954 (In-House Use Only)
May 1956 (In-House Use Only)
Library of Congress Telephone Book Collection