He is the author of five other books of poems: The Skull of Adam (1979), The Intelligence of Clouds (1989), Asleep in the Garden (1997), A History of Color (2003), New & Selected Poems 2006 , and God Breaketh Not All Men's Hearts Alike: New & Later Collected Poems (2011) .
Jest również autorem następujących tomików: The Skull of Adam (1979), The Intelligence of Clouds (1989), Asleep in the Garden (1997), A History of Color (2003), New & Selected Poems 2006 i God Breaketh Not All Men's Hearts Alike: New & Later Collected Poems (2011).