A.B. (no space after first period)—abbreviation for Artium baccalaureus, bachelor of arts, the degree Colby grants
B.A.—bachelor of arts
M.B.A.—master of business administration
Ed.D.—doctor of education.
James T. Kirk has a doctorate in astronomy.
The word degree should not follow a degree abbreviation, and the degree initials (A.B.) should not be used with a Colby class year.
Right: He has a B.A. in history.
Right: She earned her Ph.D. at Harvard.
Wrong: Dan Harris ’93, B.A., is an author and a newsman.
When referring to degrees in general, lowercase the first letter of the degree and use the apostrophe + s (’s).
Right: He earned a bachelor’s degree in mathematics.
Right: She earned two master’s degrees.
Lowercase formal names of academic degrees: bachelor of science, bachelor of arts, master of arts, doctor of philosophy.
Colby degree: bachelor of arts (written out) and A.B.
(abbreviation for the Latin Artium baccalaureus)