Eight or Nine Wise Words about Letter-Writing

How to Write Letters (Formerly The Book of Letters) A Complete Guide to Correct Business and Personal Correspondence

Hand-book of punctuation

The New Century Standard Letter-Writer Business, Family and Social Correspondence, Love-Letters, Etiquette, Synonyms, Legal Forms, Etc.

Putnam's Phrase Book An Aid to Social Letter Writing and to Ready and Effective Conversation, with Over 100 Model Social Letters and 6000 of the World's Best English Phrases

A Letter Book Selected with an Introduction on the History and Art of Letter-Writing