Walter, William Grey
1910 - 1977
1910 - 1977
1910
circa 1915
1909-1910
1907
1905
1911
1904
1910
1915
1915
1910
1908
1904
circa 1910
1909
1910
1905
1904-1914
1916
1914
1906
1915
1906
1912
1915
1910
1910
1912
1914
1955; 1830
c.1912
1914
1915
1906-1915
1906-1916
1906
1904
1915
1934
1907
circa 1905
2000-100 BCE
1914
1913
1914
1914
1872 (original); 1909 (model)
1914-1916
1904