*Topic on [https://cpcrulez.fr/forum/viewtopic.php?f=5&t=6886 CPCRulez forum (FR)] [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/symbiface-iii-in-development/ CPCWiki forum]
*[http://www.tmtlogic.com TMTLOGIC] The development team behind the Symbiface 3 / RSF3/ RSF3 Lite
*[https://drive.google.com/drive/folders/1Suf5DXEM_dXEkFTT_A8dazax2HOKKqdo?usp=sharing TMTLOGIC gdrive repo]
*[[Media:Manual SF3 RSF3.pdf|RSF3 Symbiface3 manual]]