The Century Handbook of Writing
by Garland Greever, Easley S. Jones
Publisher: The Century Company 1927
This handbook treats essential matters of grammar, diction, spelling, mechanics; and develops with thoroughness the principles of sentence structure. Larger units of composition it leaves to the texts in formal rhetoric. 
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by Robert Louis Stevenson - Chatto & Windus
Essays on the Art of Writing collect seven important essays on authorship. Written more than a century ago, these essays are full of insight for today's readers and brimming with still-applicable wisdom for modern writers.
by Edwin A. Abbott - ManyBooks
Almost everyone can be taught to write clearly. Force, elegance, and variety of style are more difficult to teach and learn; but clear writing can be reduced to rules. To teach the art of writing clearly is the main object of this book.
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This book is an attempt to put into definite form the principles observed by the masters of the short story in the practice of their art. It is the result of a careful study of their work and of some indifferent attempts to imitate them.
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The book offers specific, easy to practice strategies and tools to help you: structure your material, optimize your content for Search Engines, position yourself as a brand or an expert, improve your business communications, and much more.