300 Social Sciences, Sociology & Anthropology
305 Groups of people
305.20973 In America (0973 at the end means history and description about America)
305.20973 T39 The next America : boomers, millennials, and the looming generational showdown / Paul Taylor.
- Books are arranged sequentially. The first number of a Dewey Decimal call number indicates the general class the call number falls within. In our example, the book is located under the 300s, which is where books on social sciences are classed. If there is a second or third numbers, these indicates a specific divisons and sections. 305 indicates groups of people.
- Numbers following the first 3 numbers. The numbers define the subject of the book. The number .2 is referring to a book about a specific age group and 0973 means the history and description about America.
- The Cutter Number is the next set of numbers. The Cutter Number indicates the author or title of the book. It is taken from a table matching names or titles to a set of numbers. In our example, .T39 reflects the first word of the author, Taylor.