http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"Five hundred and twenty-five copies ... of which five hundred numbered copies are for subscribers, and twenty-five copies, numbered 501 to 525, for the press. The entire edition is signed by the author. This is no: ... E.W.T."
The Cushing Library/Lit./Mitchell copy is number 395 and is signed by the author.