*[[Zilog]] [http://www.zilog.com Company's website]
*[http://www.z80.info Home of the Z80 CPU]
*[https://www.computerhistory.org/collections/oralhistories/ Oral history collection]: [https://www.computerhistory.org/collections/catalog/102658073 Zilog Z80oral history panel]
*[https://sinclair.wiki.zxnet.co.uk/wiki/Z80 Z80 article on Sinclair Wiki]
*[https://www.chibiakumas.com/z80/ Learn Assembly Programming with ChibiAkumas] Multi-platform Z80 tutorial