Sidney Dean Townley died in 1947.
Sidney Dean was born in 1818.
Sidney Dean Townley was born in 1867.
Sidney Dean Townley has written: 'Orbit of Psyche' 'Harvard catalogue of long period variable stars' -- subject(s): Variable stars
Sidney Sakols died in 2007.
Sidney Colvin died in 1927.
Sidney A. Fine died in 1982.
Sidney Stretton died in 1984.
Sidney Lavis died in 1965.
Sidney Jones died in 1946.
Sidney Michaels died in 2011.
Sidney Pollard died in 1998.