Minecraft wiki entry for Lever, associated text: 1 Occurrence
1.1 Natural generation
2 Obtaining
2.1 Breaking
2.2 Crafting
3 Usage
3.1 Placement
3.2 Activation
3.3 Behavior
4 Sounds
4.1 Generic
4.2 Unique
5 Data values
5.1 ID
5.2 Block states
6 Video
7 History
8 Issues
9 References