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	1.	An essay on calcareous manures; by Edmund Ruffin ... by Ruffin, Edmund, 1794-1865 Edition: 5th ed., amended and enl. Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: Richmond, Va., J.W. Randolph, 1852 Online resources: Click here to access online Availability: No items available. Add to cart (remove)
	2.	An essay on calcareous manures. By Edmund Ruffin. by Ruffin, Edmund, 1794-1865 Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: Petersburg, Va., J. W. Campbell, 1832 Online resources: Click here to access online Availability: No items available. Add to cart (remove)
	3.	Edmund Ruffin diaries, 1856-1865. by Ruffin, Edmund, 1794-1865 Material type: Mixed materials; Format: available online Online resources: Finding aid Finding aid (PDF) Availability: No items available. Add to cart (remove)

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