Early childhood education 797 Earthquakes 572 Earth sciences 350 Ecology 1,331 Econ. condit 517 Econometric models 2,162 Econometrics 747 Economic aspects 9,157 Economic assistance 1,068 Economic assistance, Domestic 323 Economic condition 547 Economic conditions 15,190 Economic development 5,467 Economic development projects 914 Economic forecasting 865 Economic history 1,120 Economic indicators 524 Economic integration 684 Economic policy 8,592 Economics 4,827 Economics, Mathematical 541 Economic stabilization 390 Editorial cartoons 5,180 Education 10,727 Educational change 443 Educational innovations 407 Educational planning 429 Educational psychology 731 Educational sociology 469 Educational technology 606 Educational tests and measurements 851 Education and state 680 Education, Elementary 618 Education, Higher 1,399 Education, Preschool 440 Education, Secondary 556 Educators 1,436 Effect of technological innovations on 358 Election 1,176 Elections 5,204 Electrical engineering 490 Electric power systems 380 Electric utilities 972 Electronic book 535 Electronic books 24,258 Electronic circuits 326 Electronic commerce 575 Electronic data processing 1,130 Electronic digital computers 484 Electronics 575 Emergency management 914 Emigration and immigration 986 Employees 2,083 Employment 4,064 Encyclopedias 320 Energy conservation 508 Energy policy 628 Engineering 1,263 Engineering design 444 Engineering mathematics 467 English 1,403 English drama 536 English fiction 439 English language 9,532 English literature 1,571 English poetry 1,309 Enrile, Juan Ponce Sr 361 Entrepreneurs 331 Entrepreneurship 1,003 Environmental aspects 3,908 Environmental engineering 400 Environmental health 321 Environmental law 376 Environmental management 362 Environmental policy 2,092 Environmental protection 1,433 Environmental sciences 525 Epidemiology 368 Equality 493 Equipment and supplies 742 Essays 751 Estrada administration 574 Estrada, Joseph E. 2,465 Ethics 1,390 Ethnic relations 511 Ethnology 2,559 Evaluation 3,035 Evolution 521 Evolution (Biology) 328 Examinations 806 Examinations, questions, etc 875 Excavations (Archaeology) 388 Executives 782 Exercise 969 Exhibitions 1,930 Experimental design 377 Experiments 597 Export-import trade 998 Exports 528 Extrajudicial executions 418