- KangXi: page 278, character 17
- Dai Kanwa Jiten: character 6961
- Dae Jaweon: page 547, character 1
- Hanyu Da Zidian: volume 2, page 1014, character 4
- Unihan data for U+5B60
|For pronunciation and definitions of 孠 – see 嗣.
(This character, 孠, is a variant form of 嗣.)