
- Author: National Bonsai and Penjing Museum., McClellanAnn
- Language: English
- Year: 2016

- Author: Bruner John Clay
- Language: English
- Year: 2019

- Author: Herre Volkmar, Schrammek Winfried, Herre Sina
- Language: German
- Year: 1981

- Author: Epstein Marc E
- Language: English
- Year: 2016