#1 Robert Sydney Smith the author of Warfare & diplomacy in pre-colonial West Africa.
#2 Robert Sellers Smith the author of Alabama Law for the Layman.
#3 Robert S. Smith the Australian author of Justification and eschatology : a dialogue with "the new perspective on Paul".
#4 The Rev. Robert S. Smith the author of In the Image of God
#5 Smith, Robert S., 1906- Idaho surgeon