Graduate work Universities and colleges 167 Doctor of philosophy degree 47 Research 38 Graduate students 28 Education, Higher 18 Supervision of 14 Social sciences 12 Study skills 11 Directories 10 Dissertations, Academic 9 Examinations 9 Faculty advisors 9 Study and teaching 9 Academic writing 8 Case studies 8 Universities and college 8 Professional education 6 United States 6 Curricula 5 Vocational education 5 Academic achievement 4 Academic-industrial collaboration 4 Canada 4 Data processing 4 Education 4 Evaluation 4 Great Britain 4 Handbooks, manuals, etc 4 Report writing 4