Did you mean: Welling, Luke, 1972- Ecuador Economic conditions 1972- Courant, Richard, 1888-1972. International Conference on the Quality of Working Life, New York, 1972. Rusk, Robert R. (Robert Robertson), 1879-1972. Okot p'Bitek 1972 Watergate Affair, 1972-1974. Eduardo Mondlane memorial lecture, 1972 Treier, Daniel J., 1972- Whyte, Lancelot Law, 1896-1972. Dreikurs, Rudolf, 1897-1972. Dreikurs, Rudolf, 1897-1972 Bibliography. Prosser, William L. (William Lloyd), 1898-1972. Peter Wingate 1972,1976 Foerster, Norman, 1887-1972. Colloque de Bandundu, 5th, 1972? Aplin, Tanya Frances, 1972- Earle, Sarah, 1972- Ranganathan, S. R. (Shiyali Ramamrita), 1892-1972