Treasury of Scriptural Knowledge, by R.A. Torrey, [ca. 1880]
Overview
Exo 9:1, The murrain of beasts; Exo 9:8, The plague of boils and blains; Exo 9:13, The message of Moses about the hail; Exo 9:22, The plague of hail; Exo 9:27, Pharaoh sues to Moses, but yet is hardened.