Okun, 40
Okun, A., 24, 94, 319
Oort, 98, 131
Oplatka, A., 68
Opstal, R. van, 319
Ormerod, P., 219, 220, 221, 228, 229, 314, 319
P
Palgrave, The New, 160, 171, 196, 315, 321
Palley, Th., 235, 319
Pareto, V., 21, 57, 74, 102, 162, 182, 183, 206, 212, 215, 220, 225, 232, 309