claim: Keith Stanfield died on August 12, 1991.
evidence: In almost fifty years , Fyodor Dostoyevsky wrote more than 725 letters , 315 of which are preserved .. Fyodor Dostoyevsky. Fyodor Dostoyevsky. Although Dostoyevsky hated writing letters -LRB- but enjoyed reading letters -RRB- , as he believed that he could not impress himself properly , they form a majority of his works .. They are such important resources of his life and beliefs that the whole corpus of letters equals to a biography .