http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"Text copyright ©1974 by M. Joy Hill ; photograph ©1974 by Robert Strindberg."
Imprint information from Hammond cited below.
1st edition according to Hammond cited below.
"Joy Hill found [the poem] written in an exercise book while putting [Tolkien's] library in order ... Tolkien presented the poem to her, with its copyright ... as a token of gratitude."--Hammond page 207.