He was made a Doctor of Letters by the university.

She returned the following year to be made a Doctor of Letters.

The university awarded him a Doctor of Letters for his achievements.

In 2005 the university awarded him an honorary Doctor of Letters.

He was made an Honorary Doctor of Letters in 2004.

An Honorary Doctor of Letters was given to him in 1957.

The school recently awarded him the degree of Doctor of Letters.

He held a Doctor of Letters in history.

In 1919 he received a Doctor of Letters.

He received his Doctor of Letters in 1956.