[AMERICANA]. Encyclopedia; or, a dictionary of arts, sciences, and miscellaneous literature; constructed on a plan...Philadelphia: by Thomas Dobson, [1790]-1798. 18 vols. in 40 parts. 4o. Approx. 400 of 543 engraved plates and maps including botanical, scientific, military and medical subjects, uncut, many pages unopened (some dust-soiling, some gatherings and plates loose). Original boards (most detached but present, most spines broken, spine labels very worn), good overall. The first encyclopedia printed in America. Evans 33676-33693. (40)