[CENTENNIAL EXPOSITION]. A group of 4 titles, including: WESTCOTT, Thomas. Centennial Portfolio: A Souvenir of the International Exhibition at Philadelphia. Philadelphia: Thomas Hunter, 1876. Oblong 8vo. 52 full?page color lithographic views. Original brick cloth stamped in gilt and black. ?? BROWN, Walter. Hail Columbia! Providence: self?published, 1876. Oblong 4to. Numerous full?page drawings after Brown. Original watered red silk moir? pictorially stamped in gilt (edges darkened and rubbed, hinges tender, some pale marginal foxing). ?? Centennial Souvenir Philadelphia. 1876. 16 folded panels of illustrations. Original cloth?backed printed card covers. ???BRUCE, Edward C. The Century: Its Fruits and Its Festival? Philadelphia: J. B. Lippincott, 1877. 8vo. Illustrated. Full contemporary morocco ruled in numerous gilt fillets, spine gilt, all edges gilt, gilt dentelles, marbled endpapers. Provenance: presentation inscription dated 1877. FIRST EDITION. ?? Together, 4 works in 4 volumes, conditional generally good to very good.