WILEY (JOHN) + SONS B revenue for the last year amounted to 1.76 B EUR, the most of which — 977.70 M EUR — came from its highest performing source at the moment, Research, the year earlier bringing 980.82 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought WILEY (JOHN) + SONS B 826.82 M EUR, and the year before that — 904.20 M EUR.