Since 1950, Jefferson's writings have been compiled in this ongoing project, bringing together all 36 volumes published through 2009 into one searchable online resource. In addition, it includes the first four volumes of the Retirement Series sponsored by the Thomas Jefferson Foundation, which documents the time between Jefferson’s return to private life and his death in 1826. This XML-based edition includes all the illustrations and bibliographical content of the print edition, along with linked cross-references and indexes. Barbara B. Oberg and J. Jefferson Looney, editors in chief. Part of the University of Virginia Press Rotunda Collections.