822. HENRY GEORGE (1839 - 1897) American economist, an influential proponent of the "Single Tax" on land. His influential volume Social Problems, London: Kegan Paul, Trench & Co., 1885, signed and inscribed on the half-title page: "E. G. Riggs Esq., with compliments of Henry George". Bound in maroon cloth, with boards and spine exhibiting some wear, light separation at spine, good condition. Uncommon. $100 - 150