[Fiji Hill]

I have not seen any articles giving levels or the breakdown of persecution of racial or religious minorities in the Soviet Union.

You might have better luck if you search the Proquest "Historic New York Times" database available at some libraries--but I still wouldn't hold my breath.

[Lucius Cornelius Sulla]

Right now the entire Times archives are searchable, and most of them can be downloaded for free (I am not sure if this period is in this group).