Rollo's philosophy. The Rollo series is composed of fourteen volumes, viz. Rollo learning to talk. Rollo learning to read. Rollo at work. Rollo at play. Rollo at school. Rollo's vacation. Rollo's experiments. Rollo's museum. Rollo's travels. Rollo's correspondence. Rollo's philosophy--Water. Rollo's philosophy--Air. Rollo's philosophy--Fire. Rollo's philosophy--Sky
Abbott, Jacob, 1803-1879; Sheldon & Company, publisher; Baker, William Jay., engraver; Andrew, John, engraver; Minton, John, engraver