Penguin book
1948
1948
1946
1948
1953
1949
1954
1946
1951
1945
1947
1954
1950-1953
1953
1953
1951-1953
1946-1948
1945
1948-1953
1951
1947
1946
1950
1953
1950
1951
1951
1955; 1830
circa 1950
1950
1945
1950-1951
1950
1948
1946
1946
2000-100 BCE
May 1953
1951-1953
1944-1945
1944
1938 and 1951
1948
circa 1950
circa 1953
1948
1951
1951
1949
1946-1950
1950-1953