signature Drawings by year

1869
60 drawings
1870
70 drawings
1871
23 drawings
1872
89 drawings
1873
55 drawings
1874
101 drawings
1875
122 drawings
1876
131 drawings
1877
143 drawings
1878
104 drawings
1879
67 drawings
1880
99 drawings
1881
44 drawings
1882
52 drawings
1883
63 drawings
1884
92 drawings
1885
19 drawings