Washington City: Roger Chew Weightman, 1809. 2 volumes, 8vo. (8 1/4 x 5 inches). [Vol. 1] xvi, 510, xxxiv pp.; [Vol. 2] vii, 542 pp. Contemporary full tree calf, skilfully rebacked. Spines gilt ruled forming six compartments, lettering pieces in the second compartmenrs Provenance: Possibly John Barclay (1749-1824), former Mayor of Philadelphia from 1791 to 1793 First American edition of a fundamental text of Modern Economics. Thomas Robert Malthus was an English economist, cleric, and scholar influential in the fields of political economy and demography. Malthus came to prominence for his publication of the present work, first published in 1798. Between 1798 and 1826, Malthus published six versions of the essay, updating each edition to incorporate new material, to address criticism, and to convey changes in his own perspectives on the subject. Writing in response to Jean-Jacques Rousseau and William Godwin, specifically their approaches to the improvement of society, Malthus…