References in classic literature ?
He bellowed and trumpeted and screamed until the earth shook to the mighty volume of his noise.
The new elephants strained at their ropes, and squealed and trumpeted from time to time, and he could hear his mother in the camp hut putting his small brother to sleep with an old, old song about the great God Shiv, who once told all the animals what they should eat.
Then an elephant trumpeted, and they all took it up for five or ten terrible seconds.