Originál: The Butterfly, 3 Dickinson Poems 3. Paul Schwartz. The Butterfly, 3 Dickinson Poems 3 composed by Paul Schwartz.
Preklad: Butterfly, 3 Dickinson básne 3. Butterfly, 3 Dickinson Básne 3 v zložení Paul Schwartz. Zbor noty. Choral octavo. BB.RM3548.