Lesson Audio – Mark Day – How Long, O Lord? July 23, 2017 by admin Leave a Comment Photo by Robert Lukeman 07.23.17 PM – Mark Day – How Long, O Lord Scripture Reading: Revelation 6:9-11 https://flatwoodschurchofchrist.org/wp-content/uploads/2017/07/T070_07.23.17-PM-Mark-Day-How-Long-O-Lord.mp3