On the first page of the BF 2.0 Item Draft Proposal<http://www.loc.gov/bibframe/docs/pdf/bf2-draftspecitems-10-29-2015.pdf> it states: "Thus there will be three core classes: Work, Instance, and Item." Does this signal that bf:Annotation and bf:Authority are no longer core? -- Mark K. Ehlert O'Shaughnessy-Frey Library Cataloging and Metadata University of St. Thomas Librarian 2115 Summit Avenue Phone: 651-962-5488 St. Paul, MN 55105 <http://www.stthomas.edu/libraries/> "Experience is by industry achieved // And perfected by the swift course of time"--Shakespeare, "Two Gentlemen of Verona," Act I, Scene iii