Management 175 Data processing 114 History 70 Accounting 67 Finance 59 Mathematics 53 Marketing 47 Mathematical models 47 Signal processing 44 Design and construction 42 Strategic planning 40 Statistical methods 39 Management information systems 37 Materials 37 Personnel management 37 Addresses, essays, lectures 36 Case studies 34 Digital techniques 34 Criticism and interpretation 33 International business enterprises 33 Methodology 32 Automatic control 31 Organizational behavior 30 Social aspects 29 Building 28 Managerial accounting 28 System analysis 28 Engineering 27 Mechanics, Applied 27 Corporations 25