The earliest sketchbooks to make it through to us intact are those of Pisanello, who was probably born in Pisa – which had close links with Florence – in 1395. Bound up into a single volume called the Codex Vallardi, his strikingly beautiful pages, now resident in the Louvre, show how essential a sketchbook had become.
"The Notebook: A History of Thinking on Paper" - Roland Allen















