Ward, D. B. (2009). A new brand of business: Charles Coolidge Parlin, Curtis Publishing Company, and the origins of market research. Temple University Press.

Ward, Douglas B. A New Brand of Business: Charles Coolidge Parlin, Curtis Publishing Company, and the Origins of Market Research. Philadelphia: Temple University Press, 2009.

Ward, Douglas B. A New Brand of Business: Charles Coolidge Parlin, Curtis Publishing Company, and the Origins of Market Research. Temple University Press, 2009.