Volume 31

The Philippine Islands, 1493-1898: Volume 31, 1640
Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the Catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century

Diego Aduarte

McClure's Magazine, Vol 31, No 2, June 1908

Various

The Rise of the Dutch Republic — Volume 31: 1580-82

John Lothrop Motley

Diary of Samuel Pepys — Volume 31: October/November 1664

Samuel Pepys