Étiquette : a sheet of paper folded in half. An in-folio is therefore a book with a format of printing sheets folded in half
Latin expressions explained (30): In folio.
lescoursjulien.com Latin expressions explained (30): In folio. In-folio means « in leaf », a sheet of paper folded in half. An in-folio is therefore a book with a format of printing sheets folded…