Lieb, Robert C.
Transportation / Robert C. Lieb
Reston Publ, 1985
Buku Teks
Lifton, Robert Jay
Death in life ; survivors of Hiroshima / Robert Jay Lifton
Vintage Books, 1967
Buku Teks SO
Payne, Robert
The Life and death of Mahatma Gandhi/ Robert Payne
Smitmark, 1969
Buku Teks SO
Essays in legal philosophy / selected and edited by Robert S. Summers
Basil Blackwell, 1970
Buku Teks SO
Maddux, John L.
The development philosophy of Robert S. McNamara / John L. Maddux
World Bank, 1981
Buku Teks