OBSERVER -- The Observer: Being a Collection of Moral, Literary and Familiar Essays. London: For C. Dilly, 1790. 5 volumes. 8° (194 x 111mm.). Contemporary green morocco, flat spines ornately gilt, single fillet round sides (very slightly rubbed). Provenance: presentation inscription on front free endpaper in volume I 'From Rich: Cumberland [the author/editor] Junr. to his kind and good Friend Sir Samuel Rowland. Sep: 1790'; Thos. Wall Hewitt (armorial bookplate, covering another). -- The Adventurer. London: For W. Strahan [and others], 1770, 4 volumes. 12mo (175 x 100mm.). Contemporary calf, flat spines gilt with a tool of a bird standing on drapery in 4 compartments, red and blue lettering pieces, narrow border round sides. -- The Looker-On, A Periodical Paper. London: For G.g. and J. Robinson, 1795. 4 volumes. 12mo (172 x 103mm.). Contemporary tree calf, flat spines ornately gilt, blue lettering pieces, Greek key pattern round sides. -- The World. By Adam Fitz-Adam. London: For J. Dodsley, 1767. 4 volumes. 12mo 171 x 102mm.). Engraved title-vignettes. Contemporary calf, gilt spines, green lettering pieces. -- The Mirror. A Periodical Paper. London: For W. Strahan [and others]. 3 volumes. Contemporary sprinkled calf, flat spines gilt, red and green lettering pieces (very slightly rubbed). Provenance: inscription on front free endpaper in volume I 'Susannah Fremeaux gift of Mr. van Harthals 1787'. (20)