Related Clues:

• Doctor's letters?
• Dr.'s wall hanging
• Grad sch. goal
• Graduate's prize (Abbr.)
• Advanced degree, briefly
• What a candidate might go for
• Third degree, perhaps
• Doctor's degree
• Prof.'s degree
• Diploma abbr.
• Advanced degree
• Kind of candidate
• Quest of some candidates: Abbr.
• Prof's qualification
• Third degree