- Admiral Donald B. MacMillan's notebook. Includes Provincetown stories and observations,...Collection: MacMillanFormat: TextSubjects: Arctic regions Discovery and exploration, Cape Cod (Mass.) History, Churches, Diaries, Explorers, MacMillan Wharf (Provincetown, Mass.), Provincetown (Mass.)--Description and travel, Provincetown (Mass.)--History--19th century, Provincetown (Mass.)--History--20th century, Shipping, Shipwrecks, Whaling, MacMillan, Donald B.