O. Williams
发表
Charles R. Adrian,
O. Williams,
1959,
American Political Science Review.
T. Dye,
O. Williams,
Charles S. Leibman,
1963
.
T. Dye,
Charles S. Liebman,
O. Williams,
1965
.
Charles R. Adrian,
O. Williams,
1963
.
O. Williams,
1961
.
C. Press,
O. Williams,
1966
.
O. Williams,
1975
.
O. Williams,
K. Eklund,
1978,
Urban affairs quarterly.
O. Williams,
1971
.