| Class | Date Established |
|---|---|
| 51 | 1920 |
| 52 | 1965 |
| 53 | 1951 |
| 54 | 1901 |
| 55 | 1962 |
| 56 | 1919 |
| 57 | 1939 |
| 59 | 1907 |
| 60 | 1918 |
| 62 | 1958 |
| 63 | 1908 |
| 65 | 1962 |
| 66 | 1926 |
| 68 | 1937 |
| 69 | 1900 |
| 70 | 1936 |
| 71 | 1908 |
| 72 | 1965 |
| 73 | 1944 |
| 74 | 1934 |
| 75 | 1936 |
| 76 | 1904 |
| 79 | 1904 |
| 81 | 1901 |
| 82 | 1900 |
| 83 | 1959 |
| 84 | 1920 |
| 86 | 1901 |
| 87 | 1942 |
| 89 | 1901 |