In the days before the proliferation of printed labels, cabinetmakers signed only their best piece. The blocked desk-and-bookcase, circa at the Metropolitan Museum of Art in New York City is Gould's only signed piece
The Smith-Caldwell family fine Chippendale carved and figured mahogany bonnet-top high chest of drawers – attributed to the shop of Henry Clifton & Thomas Carteret; the carving is attributed to Nicholas Bernard – Philadelphia, Pennsylvania –
THE HOLCUM FAMILY CHIPPENDALE CARVED AND FIGURED MAHOGANY BONNET-TOP CHEST-ON-CHEST, John Powell, Philadelphia, Pennsylvania, dated 1758 - Inscribed in graphite on bottom of upper case Made John Powell 1758. Height 91 1/2 in. by Width 45 3/4 in. by Depth 24 in.