1827
1828
1829
183
1830
1831
1832
1835
1836
1837
1839
184
1841
1842
1843
1844
1846
1848
1849
185
1850
1851
1853
1855
1859
186
1860
1863
1864
1865
1866
1868
187
1870
1872
1874
1877
1878
188
1880
1881
1884
1886
1887
1888
189
1893
1894
1895
1896
UNESCO Atlas of the World’s Languages in Danger ID