BONSAI - Plants Datasheets: AN ENCYCLOPEDIA OF THE MAIN CHARACTERISTICS OF BONSAI TYPES, INDISPENSABLE TO CARE FOR ALL PROCESSING PHASES DURING THE VARIOUS SEASONS - Kindle edition by Kobayashi, Akira, Ilyés, Ilona.
Bonsai - Wikipedia
Top 10: Greatest Bonsai trees - Bonsai Empire
Top 10: Crazy and unusual Bonsai trees - Bonsai Empire