A letter on our agricultural distresses, their causes and remedies accompanied with tables and copper-plate charts, shewing and comparing the prices of wheat, bread and labour, from 1565 to 1821, addressed to the Lords and Commons - Playfair, William (Printed for W. Sams, 1822)
Goldsmiths'-Kress no. 23431. - OCLC, 16573605. - Reproduction of original from Kress Library of Business and Economics, Harvard University