Zinsser, William
On writing well: an informal guide to writing nonfiction
Harper Collins, 1990
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Zinsser, William
On writing well: the classic guide to writing nonfiction
A HarperResource Book, 2001
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Caruso, Domenick
Creating contexts : a practical approach to writing
W.W. Norton, 1977
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Mundhenk, Robert T.
Contact: a guide to writing skills
Houghton Mifflin, 1978
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Perrin, Porter G.
Writer's guide and index to English
Scott, Foresman, 1950
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