Letter-writing - Handbooks, manuals, etc.

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

Handbook of business letters [NT 59711] by: Mamchak, Susan P.; L. E. Frailey; Mamchak, Steven R. ([NT 1579] Language materials, printed)

Secretary's portfolio of instant letters [NT 59711] by: Wayman, Anne ([NT 1579] Language materials, printed)