National Science Foundation. Time to Degree of U.S. Research Doctorate Recipients(PDF). InfoBrief, Science Resource Statistics. 2006,. NSF 06-312: 7 [2013-07-05]. (原始内容(PDF)存档于2016-03-08). Under "Data notes" this article mentions that the J.D. is a professional doctorate.
San Diego County Bar Association. Ethics Opinion 1969-5. 1969 [2008-05-26]. (原始内容存档于2003-04-11).. Under "other references", this discusses differences between academic and professional doctorates, and contains a statement that the J.D. is a professional doctorate
National Science Foundation. Time to Degree of U.S. Research Doctorate Recipients(PDF). InfoBrief, Science Resource Statistics. 2006,. NSF 06-312: 7 [2013-07-05]. (原始内容(PDF)存档于2016-03-08). Under "Data notes" this article mentions that the J.D. is a professional doctorate.
San Diego County Bar Association. Ethics Opinion 1969-5. 1969 [2008-05-26]. (原始内容存档于2003-04-11).. Under "other references", this discusses differences between academic and professional doctorates, and contains a statement that the J.D. is a professional doctorate