Penguin book
1948
1948
1948
1950
1950
circa 1950
1948
1949
1950
1938 and 1951
1950
1948
2000-100 BCE
1948
circa 1950
1955; 1830
1949
1949
circa 1950
circa 1950
1948
1990-96
1950
1949
1950
1948
1949
1950
1950
1948
1949
1950
4000-2001 BCE
1950
1903 (original); 1982 (model)
1830 (original); 1967 (model)
1950s
1950s
circa 1950s
1950s
1950s
1950s
1950s
1950s
1950s
1950s
1950s
1950s
1950s
circa 1950
1950