Finding a Book on the Shelf with Library of Congress
Example Call Number: HA 155.A5 1944
- The first section: HA
- The first section is always in alphabetical order. H is before HA. And HA is before HB.
- The second section: 155
- This number is always in numerical order. 15 is before 155. And 155 is before 158.
- The letter after the decimal: A5
- This section is alphabetical by the letter and then numerical by the number. A is before A5. And A5 is before A7.
- Extra parts at the end
- This section is alphabetical by letter and numerical by number.