Book
Clavis universalis
Study of the art of memory and the search for a universal key to knowledge from Lull through the Renaissance, parallel and prior to Yates's account.
Where to find it
- WorldCat — Clavis universalis; arti mnemoniche e logica combinatoria da Lullo a Leibniz (OCLC 3820878)
- Google Books — Clavis universalis: arti mnemoniche e logica combinatoria da Lullo a Leibniz
- Open Library — Clavis universalis (Rossi, Paolo)
- Internet Archive — Rossi, Paolo. Clavis Universalis. Arti Mnemoniche E Logica Combinatoria Da Lullo A Leibniz [ocr] [1960]