names—On first reference, use the given and surname; on subsequent reference, use the surname only: Michael Jones, professor of mathematics, and Maria Wallace, associate professor of computer science, won awards for their research. Jones and Wallace have worked together on several projects during the past five years. (See honorifics.)
Native American (n., adj.) (no hyphen)
newspapers, names of—Set the names of newspapers in italics. The article the is set in roman type and, unless it begins a sentence, is lowercased: I read it in the New York Times. I'm running an ad in the Buffalo News. (See titles, composition.)
New York City, city of New York; New York State, state of New York—In general, words denoting political divisions, such as city and state, are capitalized when they follow a name and lowercased when they precede a name.
New York State Education Department (but U.S. Department of Education)
nicknames—Set in quotation marks after middle name or initial and before last name: John Q. "Joe" Public.
non- (prefix)—Generally closed, no hyphen: noncredit, nonprofit, nontraditional, nonviolent, nonnuclear, nonnative. Hyphenate with a proper noun or a compound term: non-English-speaking immigrants, non-degree-seeking students. (See prefixes and suffixes.)
noon— Use noon, not 12:00 noon or 12:00 p.m. (See midnight.)
North Buffalo—(See directions and regions.)
numbers— In general, spell out numbers zero through nine in running text; use figures for numbers 10 and up. Ordinals follow the same rule: first, ninth, 27th, 110th. Use commas with four or more figures in a sequence: 1,467; 12,567. Exceptions: page numbers, addresses, standardized test scores (e.g., SAT, GRE), and years with four or fewer digits. (See years.)
Use words for:
Right: Fifteen people died when a tour bus collided with a tractor trailer.
Wrong: 15 people died when a tour bus collided with a tractor trailer.
Acceptable: 1978 was a great year for film.
When spelling large numbers, use a hyphen to connect a word ending in y to another word: eighty-seven, ninety-nine, one hundred seventy-two.
Use figures for:
Also use figures with symbols: 3", 36°, 9'.
(17) Chicago Manual of Style, 14th edition (1993), 8.41
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