Finally after sitting on this information for nearly a year, I can post about the archival Plath material contained within the Oscar Williams mss. at the Lilly Library. The Oscar Williams mss, 1920-1966 contains seven poems by Sylvia Plath; and in addition, holds several photographs in which Plath appears (and Ted Hughes too). Sylvia Plath and Ted Hughes visited Oscar Williams in New York in early June 1958. According to Plath's address book held at Smith College, Williams lived at 35 Water Street in NY; which is in Lower Manhattan near South Ferry. The block where Williams lived is no longer extant and has been replaced a modern office building. The poems held are typescript copies that Plath likely gave to Williams at the time of visit to New York City in June 1958. The poems are: "Full Fathom Five," "Sculptor," "Black Rook in Rainy Weather," "On The Difficulty of Conjuring Up a Dryad," "Sow," "Departure of the Ghost,...
Sylvia Plath Info Blog by Peter K. Steinberg. The blog of A celebration, this is.