TThe variable star SS CygniThe variable star SS Cygnide Leon Campbell, Edward Charles PickeringMateriasVariable starsEdiciones (1)The variable star SS Cygni (1912)The Observatory · inglésMás obras de Leon CampbellTThe story of variable starsThe story of variable starsTThe light curve of SS Cygni, 213843The light curve of SS Cygni, 213843TThe light curve of Nova Geminorum, no. 2The light curve of Nova Geminorum, no. 2
VVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers