Robert L. Hess

• Italian colonialism in Somalia
• Ethiopia and the Horn of Africa
• Ethiopia; the modernization of autocracy
• Semper ex Africa ..
• 18th Century Records of the German Lutheran Church of Philadelphia, Pennsylvania , Volume 1
• 18th Century Records of the German Lutheran Church of Philadelphia, Pennsylvania , Volume 2
• 18th Century Records of the German Lutheran Church of Philadelphia, Pennsylvania , Volume 3
• 18th Century Records of the German Lutheran Church of Philadelphia, Pennsylvania , Volume 4
• Eth[i]opian bibliography
• Lancaster County, Pennsylvania Church Records of the 18th Century, Volume 5
• Lancaster County, Pennsylvania Church Records of the 18th Century, Volume 6