http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a guide to the study of the works, of Robert Browning, with copious explanatory notes and references on all difficult passages
"Books, essays, etc., which are especially useful to the Browning student": p. [xi]-xvi.
"Chronological list of works, etc.": pages [xvii]-xviii.