A Letter from Oliver Sacks after Visiting Windhorse Legacy ArchiveOliver SacksDecember 22, 20032003, Correspondence
A Letter from Oliver Sacks to Edward Podvoll Regarding “Recovering Sanity” Edward Podvoll, Legacy Archive, "Recovering Sanity"Oliver SacksNovember 17, 20032003, Correspondence
A Letter from Oliver Sacks to Edward Podvoll Upon Hearing of His Illness Edward Podvoll, Legacy ArchiveOliver SacksJanuary 24, 20032003, Correspondence