John Harrison, , 1913- Secretarial duties. [Book /] Harrison John. - 6th ed. . - London : Pitman, 1979. - 352 p. : ill. All Ages. ISBN: 0273013971 Subjects--Topical Terms: Office practice.Secretaries--Handbooks, Manuals, etc. Dewey Class. No.: 651.3791 National Library of Medicine Call No.: / J S