Memorial to the Academy of Arts and Sciences, 1826 April

Four drafts of a letters requesting support to reprint Croswell's 1791 Tables for Computing the Longitude by the Lunar Observations, with two related documents.

Memorial to the Academy of Arts and Sciences, 1828 April

Five drafts of a letters requesting support to reprint Croswell's 1791 Tables for Computing the Longitude by the Lunar Observations.

Harvard College Master of Arts diploma of Samuel Mather, 1701 July 3

This diploma was awarded to Samuel Mather on July 3, 1701, when he received an A.M. from Harvard College. It is signed by Increase Mather (then-President of Harvard), Samuel Willard, Henry Flynt, Jabez Fitch, and Nathaniel Saltonstall.