I have been unable to find any genealogical information about Anton Rubinstein
on the internet. Please help!

See http://www.encyclopedia.com/html/R/RubinstA1n.asp. He was the brother of the
pianist, Nikolai Rubinstein. This website gives two biographies in the
bibliography.
--
Nick Landau
London, UK

COHNREICH (Anklam, Germany Krajenka, Poland) ATLAS (Wielkie Oczy (near
Lvov/Lemberg), Poland)
WECHSLER(Schwabach, Germany) KOHN (Wallerstein and Kleinerdlingen,Germany)
LANDAU/FREDKIN(Gomel, Mogilev, Belarus)