The schoolmasters assistant. Being a compendium of arithmetic, both practical and theoretical. In five parts. ... To which is prefixt, an essay on the education of youth; ... The nineteenth edition. By Thomas Dilworth, ...
Dilworth, Thomas,-1780.
London : printed and sold by Richard and Henry Causton (successors to the late Mr. Henry Kent),
1776.
Reproduction of original from the Harvard University Graduate School of Education Gutman.
ESTC