Sturgeon, Linda B. Personal letters that mean business / by Linda B. Sturgeon and Anne R. Hagler. - Englewood Claffs : Prentice Hall , 1991 - 348 p. ; 24 cm. ISBN: 013656299x Subjects--Topical Terms: Letter-writingCommercial correspondence Dewey Class. No.: 808.6 / S935P 1991