[ABBOT, Jacob] Rollo's Museum, 1839; Rollo's Vacation, 1839; Rollo at School, 1839; Rollo's Experiments, 1839, Rollo at Work, 1839, Rollo Learning to Read, 1839, Rollo's Correspondence, 1840; Rollo's Travels, 1840, all Boston, together 8 volumes, 12°, original cloth (condition varies) -- The Rollo Philosophy, Philadelphia: 1842-43, 4 volumes, 12°, original cloth, gilt and blind decorated (ownership inscriptions on some endpapers, some browning and staining, light wear to spine ends). (12)