Hall, Robert T.
The morality of civil disobedience / Robert T. Hall
Harper and Row, 1971
 Buku Teks
Golembiewski, Robert T., editor
Men, management, and morality: toward a new organizational ethic / Robert T. Golembiewski
McGraw-Hill Book Company, Inc., 1965
 Buku Teks
McCloskey, Robert G.
The modern supreme court/ Robert G. McCloskey
Harvard University Press, 1973
 Buku Teks
McCloskey, Robert G.
The American supreme court / Robert G. McCloskey
The University of Chicago Press, 1962
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Shannon, Robert E.
Engineering management / Robert E. Shannon
John Wiley & Sons, 1980
 Buku Teks