Walter, William Grey
1910 - 1977
1910 - 1977
1910
1917
circa 1915
1909-1910
1907
1911
1910
1915
1915
1910
1908
circa 1910
1909
1910
1916
1914
1906
1915
1912
1915
1910
1917
1910
1907-1917
1912
1907-1917
1907-1917
1914
1955; 1830
1915-1917
c.1912
1914
1916-1917
1915
1906-1915
1906-1916
1906
1934
1907
2000-100 BCE
1914
1913
1914
1914
1872 (original); 1909 (model)
1906
1915
1914-1916
1911