http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Selected poems, nineteen thirty three through nineteen ninety three
"The poems in this book are taken from earlier collections, The Collected Ewart: Poems 193-1980, Collected Poems 1980-1900 and 85 Poems"--Title page verso.