Antzeko izenburuak: The Church of Ethiopia :
- Revolution & religion in Ethiopia : the growth & persecution of the Mekane Yesus Church, 1974-85 /
- Beyond our prayers : Anabaptist church growth in Ethiopia, 1948-1998 /
- The origins of the New Churches movement in Southern Ethiopia, 1927-1944 /
- Ethiopia communications /
- Ethiopia women in culture, business, & travel /
- Ethiopia money & banking.