Delmore carries such a petty, personally involved, New Yorkish atmosphere around with him it's almost unpleasant for me to see him. He thinks that Schiller and St Paul were just two Partisan Review editors.
Source, in full
Quoted in Christopher Lehmann-Haupt, "Books of the Times," The New York Times (6 May 1985) . The quote is cited from a 1952 letter in Randall Jarrell's Letters: An Autobiographical and Literary Selection, ed. Mary Jarrell, assisted by Stuart Wright (Houghton Mifflin, 1985).