* [https://cdn.preterhuman.net/texts/computing/apple/newton/The_NewtonScript_Programming_Language.pdf The NewtonScript Programming Language]
* [https://cdn.preterhuman.net/texts/computing/apple/newton/The_NewtonScript_Programming_Language.pdf The NewtonScript Programming Language]
* [https://cdn.preterhuman.net/texts/computing/apple/newton/The_Newton_Application_Architecture.pdf The Newton Application Architecture]
* [https://cdn.preterhuman.net/texts/computing/apple/newton/The_Newton_Application_Architecture.pdf The Newton Application Architecture]
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* [https://cdn.preterhuman.net/texts/computing/apple/newton/UserInterfaceGuidelinesOS2.0.pdf Newton 2.0 User Interface Guidelines]
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* [https://cdn.preterhuman.net/texts/computing/apple/newton/User_Interface_Guidelines_for_Newton_2.1_Keyboard_Enhancements.pdf User Interface Guidelines for Newton OS 2.1 Keyboard Enhancements]
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* [https://cdn.preterhuman.net/texts/computing/apple/newton/UsingE-Mail(NIE2.0).pdf Using E-Mail on Your Newton Device]