- April 10, 19184
- April 15, 19181
- April 16, 19131
- April 19381
- April 19452
- April 19463
- April 19472
- April 19483
- April 19502
- April 19512
- April 19538
- April 19542
- April 19552
- April 20, 19201
- April 20, 19231
- April 27, 19212
- April 29, 19182
- April 9, 19201
- April, 19292
- April, 19311