[11] An instance of the difficulty of eliciting facts in this matter: Mrs. Dugdale quoted Dr. Weizmann as saying, “did not see him again until 1916 ,” but contradicts this statement by another of her own, “On December 14, 1914, Dr. Weizmann had an appointment to see Balfour.”

Make this lower case.
[11] an instance of the difficulty of eliciting facts in this matter: mrs. dugdale quoted dr. weizmann as saying, “did not see him again until 1916 ,” but contradicts this statement by another of her own, “on december 14, 1914, dr. weizmann had an appointment to see balfour.”