Report of the Librarian.

The article presents the annual report of the chief librarian of the American Antiquarian Society, discussing the condition and developments of the association's collections and archives as of 1909. Notes are given discussing the continued formation of the society library's guiding policies and the scope of its prospective collections development. An overview of noteworthy accessions gained by the society during the year is also given, including excerpts from pamphlets, imprints, and volumes of newspapers.