Essays in modern capital theory
edited by Murray Brown, Kazue Sato and Paul Zarembka
North-Holland Publishing, 1976
 Buku Teks
Theory in marketing: selected essays
edited by Reavis Cox and Wroe Alderson
Richard D. Irwin, 1950
 Buku Teks
Hammond, J.D.
Essays in the theory of risk insurance
Foresman and Company, 1968
 Buku Teks
Robertson, D.H.
Essays in monetary theory
Staples Press, 1948
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Faludi, Andreas
Essays on planning theory and education
Pergamon Press, 1978
 Buku Teks