 External link in |title= (help)↑ http://www.esrcsocietytoday.ac.uk/ESRCInfoCentre/Images/res_grant_linked_studentships_tcm6-12550.pdf↑ Listing of Research I Universities, Carnegie Foundation for the Advancement of Teaching - 282 is the sum of all three categories of doctoral universities.↑  Wharton Doctoral Programs: Application Requirements, http://www.wharton.upenn.edu/doctoral/admissions/apply/requirements.cfm#scores, ප්‍රතිෂ්ඨාපනය 2009-03-18 ↑  සංරක්ෂිත පිටපත, http://www2.gsb.columbia.edu/doctoral/admissions/index.html, ප්‍රතිෂ්ඨාපනය 2009-03-18 ↑ Master of Philosophy (M.Phil.)↑  Policies and Regulations, http://www.yale.edu/bulletin/html2003/grad/policies.html, ප්‍රතිෂ්ඨාපනය 2009-03-18 ↑ "Research Doctorate Programmes". US Department of Education. 2006-06-18.↑ In humanities, ten years may not be enough to get a Ph.D., "The Chronicle of Higher Education" July 27, 2007යොමුව[සංස්කරණය]Delamont, S., Atkinson, P. & Parry, O. (1997). Supervising the Ph.D.: A guide to 