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
A Letter from Edward Podvoll to “K.” Regarding His Recovery Edward Podvoll, Extreme States, Legacy Archive, Recovery, Mania, Mindfulness-Awareness, Meditation PracticeEdward PodvollJanuary 8, 19971997, Correspondence
A Letter from Edward Podvoll While On Retreat in India Edward Podvoll, Windhorse Legacy Archive, YogaEdward PodvollNovember 13, 1990Correspondence, 1990
