See also: 書
This character has two radical-stroke indices in the Unihan as kRSKangXi <丨+3> and kRSUnicode <乙+3>. However, the Kangxi source points to only radical 乙.
- KangXi: not present, would follow page 84, character 7
- Hanyu Da Zidian: volume 1, page 52, character 5
- Unihan data for U+4E66