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- The Project Gutenberg eBook of Toy
- The Project Gutenberg eBook of How to Make Electrical Machines, by R. A. R. Bennett
- The Project Gutenberg eBook of Advanced Toy Making for Schools, by David M. Mitchell
- The Project Gutenberg eBook of Making Tin Can Toys, by Edward Thatcher.
- The Shape of Fear, by Elia Wilkinson Peattie
- Alcibiades I, by Plato (see Appendix I)
- 'Speaking of Operations
- Her Prairie Knight, by B.M. Sinclair, Aka B. M. Bower
- Philebus, by Plato
- The Cruise of the Dolphin, by Thomas Bailey Aldrich