After Wilson's death the copyright was purchased by the International Bible Students Association (IBSA) (later the Watchtower Society) which from 1902 distributed Wilson's work widely around the world.
Efter Wilsons død i 1900 kom rettighederne i besiddelse af International Bible Students Association (IBSA) (senere Watch Tower Tract Society) som fra 1902 begyndte at distribuere Wilsons værk verden over.