See: Faguo guojia tushuguan Ming-Qing Tianzhujiao wenxian 法國國家圖書館明清天主教文獻. Chinese Christian texts from the National Library of France. Textes chrétiens chinois de la Bibliothèque nationale de France

“Taixi Yesuhuishi Luo Yagu yigao 太西耶穌會士羅雅谷遺稿 ; Bai Yingli 柏應理 ; Tonghui Li Leisi ding 同會利類思訂, Lu Riman 魯日滿 ...Yunjian Tianzhutang 雲間天主堂”
“A special tract on praying is Giacomo Rho’s Qiu shuo 求說, which he wrote for the convert Li Zubai 李祖白 (d. 1665) --Cf. Standaert, Handbook of Christianity in China, v.1 p. 628.

"一卷, 關於祈禱的方式, 1676年北京出版, 1629 年前後, 此書於終州初版"--HKCDA Borg-Cin. edition note.

Full citation, see: Ad Dudink & Nicolas Standaert, Chinese Christian Texts Database.

The following citation is for the ARSI edition, but it appears similar to the Borg. Cin ed., cf. Albert Chan, S.J., Chinese Books and Documents in the Jesuit Archives in Rome, p. 197.

JapSin I, 147d
Qiu shuo 求說
By Lo Yagu 羅雅谷 (Iacomo Rho).
One juan. Chinese bamboo paper in one volume. Published by the Catholic Church of Yunjian 雲間 (Jiangsu). No date of publication.

The cover bears the title of the book in Chinese with a Latin inscription: “De finibus | a p. Jac. Rho, S.J.”

The title page bears the title of the book in two large characters; the verso of this folio gives a statement that the book is a posthumous work of Iacomo Rho: 泰西耶穌會士羅雅谷遺稿. The censors are given as Bai Yingli 柏應理 (Philippe Couplet), Li Leisi 利類思 (Lodovico Buglio) and Lu Riman 魯日滿 (François de Rougemont). Permission for publication was given by Nan Huairen 南懷仁 (Ferdinand Verbiest), then Vice-Provincial of the Jesuits in China. The Catholic church of Yunjian is given as the publisher.
There is a table of contents (one folio). Folio 1r gives the title in two large characters. The verso of the folio gives the names of the author: 泰西耶穌會士羅雅谷未韶著, of the recorder: Li Zubai 李祖白 (zi 也甫) and of the reviser: Ai Tinghuai 艾庭槐 (zi 台符). The book consists of thirty-five folios. The upper middle of each folio bears the title, and the number of the folio is marked below the fish-tail.
This book is an instruction, giving a method of prayer. It is concise and clear. Frequently quotations from the Holy Scriptures and sayings of saints are given to illustrate the method of prayer.
Cf. Pfister, p. 190, no. 6; Hsü 1949, p. 77; Couplet, p. 22; Courant 7311–7312.