Those all sound like service books that were pushed to your device by your carrier.
You can verify this by going into Options > Advanced Options > Applications. If they're not there, then they are not installed on your device.
You can go to Options > Advanced Options > Service Book. You should see them listed there. You can delete them from there. Keep in mind that when you reboot or resend service books, they will be pushed to your device again. Best bet is to hide them. Out of sight, out of mind