Improvements in agriculture arts of the United States.

Eitemau Tebyg

• Agriculture of the United States, or, An essay concerning internal improvement & domestic manufactures, shewing their inseperable connection with the business and interests of agriculture
  gan: Niles, Hezekiah, 1777-1839
  Cyhoeddwyd: (1827)
• Agriculture of the United States, an address delivered 14th April, 1841, before the American institute, in New York
  gan: Colman, Henry, 1785-1849
  Cyhoeddwyd: (1841)
• Observations on the agriculture of the United States of America
  gan: Strickland, William, of Yorkshire
  Cyhoeddwyd: (1801)
• Agriculture tour in the United States and Upper Canada, with miscellaneous notices
  gan: Barclay, Captain (Robert), 1779-1854
  Cyhoeddwyd: (1842)
• Mitchell's compendium of the internal improvements of the United States; comprising general notices of all the most important canals and rail-roads with a brief notice of internal improvement in Canada and Nova Scotia
  gan: Mitchell, S. Augustus (Samuel Augustus), 1792-1868
  Cyhoeddwyd: (1835)