The Leonardo site of Cesare Marchetti: https://cesaremarchetti.org/leonardo.php
Paper by Marchetti & Panconesi on skin diseases in the Adoration of the Magi: https://www.cesaremarchetti.org/archive/electronic/leojead.pdf
The Leonardo site of Cesare Marchetti: https://cesaremarchetti.org/leonardo.php
Paper by Marchetti & Panconesi on skin diseases in the Adoration of the Magi: https://www.cesaremarchetti.org/archive/electronic/leojead.pdf