God and Government:
- John Cotton, Letter to Lord Say and Sele (1636).
- John Winthrop, Essay Against the Power of the Church To Sit in Judgement on the Civil Magistracy (1637)
- Samuel Willard, The Character of a Good Ruler (1694) [edited; note potential source biases]; biography
- Jonathan Mayhew, A Discourse Concerning Unlimited Submission and Non-Resistance to the Higher Powers (1740)
Science and Theology:
- An Astronomical Description of the Late Comet or Blazing Star (1665) [intro]
- Increase Mather, Heaven’s Alarm to the World (1692) [facsimile, skip intro]
from Cotton Mather’s The Christian Philosopher: “On Comets” (1721) - Mather Bayles, The Comet (1744)
- Jeremiah Newland’s Verses Occasioned by the Earthquakes in the Month of November, 1755 [intro and large image]
Resources:
- Signs of the Times, I: Comets – a very nice illustrated site showing puritan pamphlets
- Massachusetts Historical Society Object of the Month [archives, full of great stuff]