Possible Clues:

• Shout
• Loud sound of a bull
• Shout; Saul --, novelist
• Not over about fifty, and that's a lot, by the sound of it
• American novelist in with a shout
• At length of old in the bow, by the lot of sound of it
• Deep enough, by the sound of it, to get deeper about fifty
• Loud enough, what with the sound of the ring and the sound of pain (6)
• Beneath about fifty this is very sound
• Deep roar of a bull