According to a letter from Bill Harris in Robin Snyder's The Comics Vol 23, No 8, August 2012, he wrote all the Phantom stories.
Old native sayings: "When the Phantom is angry... the whole jungle shakes!" "Tigers freeze when the eyes of the Phantom blaze!"
2 pages shorter than the original.
Poole script per biblio info published in Robin Snyder's The Comics Vol 27, No.2, February 2016.