Mager, Nathan H., 1913-
The complete letter writer / compiled and edited by N.H. and S.K. Mager. - New York : Pocket Books, c1968. - viii, 310 p.
Letter-writing.
Commercial correspondence.
The complete letter writer / compiled and edited by N.H. and S.K. Mager. - New York : Pocket Books, c1968. - viii, 310 p.
Letter-writing.
Commercial correspondence.