Chicago Manual of Style, 16th Edition

In 1906, a small university press in Chicago published its standardized typographical practices. Over a hundred years later, the Chicago Manual of Style (CMOS ) is one of the most widely used and respected style guides in the United States. The differences between the 1st and 16th editions of Chicago tell us a story of how typography has changed over time in the United States.

The 1st edition, called simply the Manual of Style, links us to an earlier era. Handwritten manuscripts were still commonplace. The typewriter had not yet taken the place of prominence it would see in years ahead. The 80-page reference section on “Specimens of Types in Use” featured only the proportional type used in professional printing for hundreds of years. Monospaced typewriter typefaces would not appear until later editions.

The 203 pages of the 1st edition contained many timeless conventions. A chapter on “Technical Terms” covered typographic principles that are still widely held, including the use of leading, and spacing between letters and words. But some variation from modern use is evident. For example, the 1906 edition featured semicolons within closing quotation marks, and prescribed em spaces between sentences and after colons.

During the next 100 years, the Manual of Style followed the changing practices of the English language. Allowances were made for the mechanical limitations of the typewriter—especially in manuscripts. The computer and the advent of digital media later caused another reevaluation of typographic principles. Finally, the chapter on “Technical Terms” eventually morphed into a chapter called “Design and Typography,” seen, for example, in the 1982 Thirteenth Edition. But this consolidation of typographic principles within the manual was not to last into the 21st century.

The 16th edition of the CMOS, published in late 2010, is a much more comprehensive work. Music, foreign languages, and computer topics (such as Unicode characters and URLs) have found their way into the style guide. Familiar chapters have been expanded to clarify questions raised by users. The manual now provides advice on the italicization of punctuation, the use of typographic quotation marks, and modern spacing conventions after terminal punctuation, colons and semicolons. The careful reader will also notice that semicolons now appear outside of closing quotation marks, alongside its close relative—the colon.

Another change is evident. The chapter on “Design and Typography” is gone. The staff of the University of Chicago Press chose to cover typographic conventions throughout the manual instead of lumping them together in one chapter. Given the diversity of the material in the 1026-page 16th edition, that’s an understandable choice. But even though it no longer has a dedicated chapter, typographic guidance is everywhere. A century of change has not diminished its importance in the Chicago Manual of Style.

And who knows? Perhaps in another hundred years the semicolon will find its way back inside the closing quotation marks.

Posted by on February 15, 2011
Filed Under Books, Typography | 9 Comments

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  • george

    Apart from semicolons and colons, can periods and commas also appear outside quotation marks?

  • Dave Spencer

    It depends. In most US style guides, periods and commas go inside ending quotation marks without exception. International or British English is different. Whether the period or comma goes inside or outside depends on the situation.

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  • Annabella

    Can anyone tell me the difference between the 15th and 16th editions please?

  • Screw APA

    I love Chicago. I’m working a a consultant for a science company and edited a paper for them. I did the entire 100 pp paper in Chicago and they balked at me. I’ve since had to change it to APA. They implied it is not used in the sciences and hated the footnote structure. I know Chicago is used in a variety of disciplines, but I need a resource. Suggestions?

  • Anonymous

    What type of resource do you need?

    Attempting to convert the style of any sizable organization will most likely be an uphill battle.
    I am partial to Chicago. It seems to make more sense to me. It also doesn’t hurt that its design is superior to the other style guides.

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