
'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
1915
1636
1864
1543
1973
1679
1823
1850
1825
2016
1888
1904
1888
2019
1996
2007
2014
1992
2013
1963
1866
1963
1971
1950
1962
1926-1993
1968
1948
1926-1993
1960
1939
1939-1993
1926-1993
1965
1926-1993
1957
1958
1957
1925-1951
1960
1951-1974
1926-1993
1959
1959