Engravings of colour sketches showing solar prominences by Etienne Leopold Trouvelot
1872
1872
1870
1880
1872
1871
1875
1936
1870-1872
1860-1868
1872
1886
1883
1898
1911
1916-05
1893
1872-1884
1936
1858-1861
1872
1878
1885
1893
1917
1889
1861
1861
1917
1878
1936
1878
1878
1861
1926
1861
1861
1878
1869
1869
1869
1916; 1929
1926
1926
1869
1869
1916
1916
1926
1926