An account of the sugar maple-tree, of the United States, and of the methods of obtaining sugar from it, together with observations upon the advantages both public and private of this sugar [microform] : in a letter to Thomas Jefferson ... read in the American philosophical society, on the 19, of August, 1791, and extracted from the third volume of their Transactions now in the press /
Rush, Benjamin,1746-1813.
Philadelphia : Printed by R. Aitken & son,
1792.
Sabin 74201.
Sabin Group 123.
Microfiche.
Maple sugar.