Parkhurst, Charles Chandler, 1904- Business communications for better human relations / Charles Chandler Parkhurst - 7th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1966 - xxi, 519 p. : ill. ; 25 cm. LCCN: 66-13947 Subjects--Topical Terms: Commercial correspondenceEnglish language--Business English