In his book "Two Hundred Years Together", Solzhenitsyn has argued that anti-Jewish pogroms in the Russian Empire were not government-sponsored but spontaneous acts of violence, as well as the falsely claim, without any source, of Jewish over representation in the first Bolshevik government: "from 20 ministers in the first Soviet government one was Russian, one Georgian, one Armenian and 17 Jews". 

Given his extreme bias present in his previous work, how should we verify that the accounts in "The Gulag Archipelago" are accurate?
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