Why would you want the newest (pozzed) version?
1913. C. J. Hogarth. Letters from the Underworld.
1918. Constance Garnett.
Revised by Ralph E. Matlaw, 1960.
1955. David Magarshack. Notes from the Underground.
1961. Andrew R. MacAndrew.
1969. Serge Shishkoff.
1972. Jessie Coulson.
1974. Mirra Ginsburg.
1989. Michael R. Katz.
1991. Jane Kentish. Notes from the Underground.
1994. Richard Pevear and Larissa Volokhonsky.
2009. Boris Jakim.
2014. Kirsten Lodge. Notes from the Underground.