Block, H. M. Aspects of symbolist poetry in the United States: Haskell M. Block. The symbolist movement in the literature of European languages.(1982).

Block, Haskell M. "Aspects of Symbolist Poetry in the United States: Haskell M. Block." The Symbolist Movement in the Literature of European Languages.(1982) .

Block, Haskell M. "Aspects of Symbolist Poetry in the United States: Haskell M. Block." The Symbolist Movement in the Literature of European Languages.(1982), .