The Robert W. Woodruff Library, Special Collections and Archives Division at Emory University has letters from Ted Hughes to Peter Redgrove. Redgrove is a well known British poet, who died recently in 2003. Letters to Peter Redgrove, [ca. 1966-1984] The collection consists of letters from Ted Hughes to Peter Redgrove from 1966-1984. Hughes discusses his personal and family life and his recent poems and possible projects. The collection also includes twelve typescript poems that Hughes sent to Redgrove and nine clippings by or about Hughes. The letters are in 1 box. Plath is a named person in these letters. The full finding aid to this collection is online here . The home page for the Manuscripts, Archives and Rare Books Library is online here .
Sylvia Plath Info Blog by Peter K. Steinberg. The blog of A celebration, this is.