# How are call numbers used in Dewey Decimal System?

## How are call numbers used in Dewey Decimal System?

The first number of a Dewey Decimal call number indicates the general class the call number falls within. 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.

### What is the order of the Dewey Decimal System?

Shelving Items in “Dewey Order” In the Dewey Decimal System, books are filed digit by digit, not by whole number. This means, for example, that our book at 595.789/BRO would come after 595.0123 and before 595.9. And again, after the decimal numbers come the letters from the author’s name (or title).

#### How does the Dewey Decimal System organize books?

The Dewey Decimal system is a classification system used by libraries to arrange books via subject. After the three digits there is a decimal point and numbers after the decimal point show the sub-section of the subject area. Again they are shelved in numerical order e.g. 945.805 is shelved before 945.81.

**Which call number comes first?**

Each call number is arranged into at least two lines. We refer to the first line as the top line. The second line will always begin directly after the “cutter” symbol. A cutter symbol is a period followed by a letter.

**How are Dewey Decimal call numbers organized in order?**

Books are also organized in ascending order after the decimal; for instance, a book with the call number 700 (no decimal) would precede 700.01, with 700.10 further along the shelf. After the number sequence, a letter and number sequence should be first read alphabetically, then numerically in ascending order.

## How are books represented in the Dewey Decimal System?

Each category is represented by figures beginning with 000 and going on to 999. In other words, it is a system of numbers used to mark and arrange mostly non-fiction books. Each number stands for a special topic.

### Where do you find the Dewey decimal number?

Books in the History and Genealogy Department are shelved in Dewey Decimal order. Knowing the Dewey Decimal number for a county or a series of counties within a state makes it easier for a researcher to browse the shelves. Clicking the links below will return charts listing counties in alphabetical order with their Dewey Decimal numbers.

#### How to search for Dewey and LC call numbers?

WorldCat’s Expert Search: WorldCat allows users to specify which field (s) to search, including Dewey and LC call number fields, by adding a prefix index label to the search query. Example: dd:813.54M or lc:PR9199 where dd: signifies a search for the Dewey call number 813.54M, and lc: searches for the LC call number PR9199.