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

The Writer's Desk Book Being a Reference Volume upon Questions of Punctuation, Capitalization, Spelling, Division of Words, Indention, Spacing, Italics, Abbreviations, Accents, Numerals, Faulty Diction, Letter Writing, Postal Regulations, 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

Eight or Nine Wise Words about Letter-Writing

Her Letter, His Answer & Her Last Letter

Reflections upon Two Pamphlets Lately Published One called, A Letter from Monsieur de Cros, concerning the Memoirs of Christendom, and the Other, An Answer to that Letter.