The LCC system is divided into 21 main classes, each of which is further divided into subclasses and sections. The main classes are:
* A: General Works
* B: Philosophy, Psychology, Religion
* C: History, Auxiliary Sciences
* D: World History and Culture
* E: America
* F: Canada
* G: Geography, Maps, Recreation
* H: Social Sciences
* J: Political Science
* K: Law
* L: Education
* M: Music
* N: Fine Arts
* P: Language and Literature
* Q: Science
* R: Medicine
* S: Agriculture
* T: Technology
* U: Military Science
* V: Naval Science
* Z: Bibliography, Library Science
The LCC system is a complex and detailed system, but it is also a very flexible system. It can be used to organize a wide variety of library materials, and it can be adapted to meet the needs of specific libraries.
Here are some of the benefits of using the LCC system:
* It is a hierarchical system, which makes it easy to find materials on a specific topic.
* It is a very flexible system, which can be adapted to meet the needs of specific libraries.
* It is the most widely used library classification system in the United States, which makes it easy to find materials in other libraries.
Here are some of the challenges of using the LCC system:
* It is a complex system, which can be difficult to learn.
* It is not as intuitive as some other library classification systems.
* It can be time-consuming to assign LCC call numbers to materials.
Overall, the LCC system is a powerful and flexible tool for organizing library materials. It is the most widely used library classification system in the United States, and it is used by many libraries around the world.