Teichert, Pedro C.M.
Bureau of Business Research Mississippi University , 1959
Buku Teks
Kenneth Frampton, editor
Springer, 2000
Buku Teks
Rivkin, Arnold
Frederick A.Praeger Publishers, 1962
Buku Teks
Hirschman, Albert O.
Twentieth Century Fund, 1963
Buku Teks
Coleman, Laurence Vail
American Association of Museums, 1939
Buku Teks