==Notes====References==* Biography at the National Digital Library of China* About Ruggieri and Ricci at the Vatican Radio==Further reading==*DUNNE, G.: "Generation of giants", Notre-Dame, 1962.
* Biography at the National Digital Library of China* About Ruggieri and Ricci at the Vatican Radio* Facsimile edition of "Tianzhu Shengjiao Shilu"* DUNNE, G.: "Generation of giants", Notre-Dame, 1962.