4 volumes, 8vo (200 x 119 mm). (Some browning or spotting.) Non-uniformly bound in contemporary sheep gilt (some staining or wear).

FIRST EDITION, with the fourth volume (Acts passed at the First Session of the Fifth Congress of the United States of America) printed by William Ross in Philadelphia in 1798 (though the title-page reads 1797).  Comprising the "first collected laws of the United States and including the acts of Congress still in force passed by the first four Congresses... This set is also important as a collection of early American treaties, with the appendices including the treaties of the United States with foreign powers and Indian tribes" (Reese). ESTC W20624; Evans 329763; Reese Federal Hundred 63 (Vols. I-III).