desired of him letters to Damascus, Acts 9:2.
they wrote letters by them after this manner, Acts 15:23.
circumcision … in the spirit, and not in the letter, Rom. 2:29.
not in the oldness of the letter, Rom. 7:6.
letters of commendation from you, 2 Cor. 3:1.
letter killeth, but the spirit giveth life, 2 Cor. 3:6.
his letters, say they, are weighty and powerful, 2 Cor. 10:10.
how large a letter I have written unto you, Gal. 6:11.
be not soon shaken … by letter as from us, 2 Thes. 2:2.
have written a letter unto you in few words, Heb. 13:22.