Astronomia - Lockyer, Joseph Norman. (OLS)http://semarc/name/80003; Schiaparelli, Giovanni Virginio, <1835-1910>. (OLS)http://semarc/name/80005; Sergent, Ernesto. (OLS)http://semarc/name/80004 (Ulrico Hoepli,, 1878)
Keywords: Astronomia - Opere anteriori al 1900. (OLS)http://semarc/subject/26173