www.portsmouthathenaeum.org

Anchor text: Samuel Hale and Ichabod Rollins Papers

Wikipedia: William Hale (New Hampshire politician)

Wikipedia: Levi Woodbury

Anchor text: History of the Portsmouth Athenæum

Wikipedia: Portsmouth Athenæum

Anchor text: William Badger Papers -- The Portsmouth Athenæum

Wikipedia: Badger's Island

Anchor text: William Badger Papers -- The Portsmouth Athenæum

Wikipedia: William Badger (shipbuilder)

Anchor text: Portsmouth Athenaeum Finding Aids

Wikipedia: Edmund Roberts (diplomat)