B.a.

In the 1918 list five B.A.’s were given post obitum, honoris causa and 35 were granted to men unable to be present because of absence in the Service.

Source: wiktionary

And there was a time when women were told to go to college not for a B.A. or a B.S. but for an “MRS. Degree,” with the expectation of walking right off the graduation stage and down the aisle.

Source: wiktionary

That's what college ought to be for, instead of for turning out a lot of B.A.s, so chock full of book-learning and vanity that there ain't room for anything else.

Source: wiktionary

On account of the shortness of the Lent Term, permission was granted in 1684 (Dec. 16), to make the work lighter by the passing of two graces, allowing inceptors in arts to make their disputations with an M.A. any day in term-time in the Logic, Philosophy, or Law schools, from 7 to 9, or 9 to 11 a. m., and 1 to 3, or 3 to 5 p. m., in the presence of the Proctor (or a regent his deputy) and at least six B.A.’s, and to hold disputations or declamations of inceptors and questionists, even out of term, at the Proctors’ pleasure, provided that the questions were duly posted on the doors and a Moderator present, as well as twelve Sophs at the Sophs’ disputations, and six B.A.’s at the Bachelors’ declamations.

Source: wiktionary