J. González Payo, J. A. Caballero: Discovery of double stars by Giovanni Battista Hodierna in 1654, Mon. Not. R. Astron. Soc. 533(3), 3379–3386, 2024, doi:10.1093/mnras/stae2010
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G. Fodera-Serio, L. Indorato, P. Nastasi: G. B. Hodierna's Observations of Nebulae and his Cosmology, bibcode:1985JHA....16....1F