- Ḥazan, Ha-Ma'alot li-Shelomoh, pp. 32, 37;
- Kayserling, Bibl. Esp.-Port.-Jud. p. 48.
Ḥayyim Abraham Gagin:
Chief rabbi of Jerusalem; died in that city May 10, 1848. He wrote: "Minḥah Ṭehorah," novellæ on the treatise Menaḥot (Salonica, 1825); "Ḥuḳe Ḥayyim," responsa (Jerusalem, 1842). He edited and wrote the prefaces to "Sefer ha-Taḳkanot" (ib. 1842); the "Dibre Shalom" of R. A. Mizraḥi (ib. 1843); the "Ḳedushat Yom-Ṭob" of Yom-Ṭob Algazi (ib. 1843); "Ḳonṭres Emet me-Ereẓ Tiẓmaḥ," a defense, by Z. H. Lehren of Amsterdam, of the Amsterdam committee at Jerusalem against charges of mismanagement in the distribution of the "halukkah" (Amsterdam).
Ḥayyim Palagi wrote a dirge on Gagin's death.
- Luncz, Jerusalem, 1:10;
- Fuenn, Keneset Yisrael, p. 347;
- A. Ḥayyim Palagi, Arẓot ha-Ḥayyim, homily No. 5;
- Zedner, Cat. Hebr. Books Brit. Mus. p. 263.
Isaac Gagin:
Son of Solomon Moses Hai Gagin; now residing in Jerusalem. Joint author with his brother Abraham Gagin of "El Cuento Maravilloso."
Solomon Moses Hai Gagin (known also under his initials 
):
Son of Ḥayyim Abraham Gagin; he lived at Jerusalem in the middle of the nineteenth century. He published two Hebrew works: (1) "Yismaḥ Leb," responsa, and (2) "Samaḥ Libbi," sermons (Ḥazan, "Ha-Ma'alot li-Shelomoh, p. 32).