19 sajand

Main

1802
1814
1848
1857
1858
1859
1860
1861
1861
1869
1869
1876
1879
1895

Veblen

1848
1857
1874
1877
1884
1888
1891
1892
1899
1904
1906
1911
1914
1917
1918
1926
1929

Gumplowizc

1838
1875
1885
1905
1909
1909

Tönnies

1855
1876
1877
1881
1887
1894
1896
1909
1922
1931
1932
1936

Pareto

1848
1869
1869
1886
1889
1893
1894
1906
1912
1923

Cooley

1864
1887
1890
1890
1892
1894
1899
1902
1905
1907
1918
1929