1 finding aid(s) found containing the word(s) North America--Economic conditions--18th century.

  1. Ellerton-Clements cyphering book collection, 1666-2021

    1,400 items. 56 containers plus 28 oversize. 25.6 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.


    Handwritten student manuscripts pertaining to mathematics education collected by professors Nerida F. Ellerton and M. A. Clements. Includes Ellerton and Clements's detailed descriptions of each manuscript.