Drawings by year
| 1870 |
| 70 drawings |
| 1869 |
| 86 drawings |
| 1871 |
| 23 drawings |
| 1872 |
| 89 drawings |
| 1873 |
| 55 drawings |
| 1874 |
| 101 drawings |
| 1875 |
| 122 drawings |
| 1876 |
| 131 drawings |
| 1877 |
| 144 drawings |
| 1878 |
| 103 drawings |
| 1879 |
| 67 drawings |
| 1880 |
| 99 drawings |
| 1881 |
| 44 drawings |
| 1882 |
| 52 drawings |
| 1883 |
| 63 drawings |
| 1885 |
| 19 drawings |
| 1884 |
| 92 drawings |