Systems, methods, and computer-readable mediums for determining authorship of a handwritten document for which the authorship is not known. A method includes scanning a document to produce a high-quality scanned image of the document, and identifying stylus information corresponding to the document. The method includes identifying authorship information corresponding to the document, and determining an authorship of the document based on the stylus information and the authorship information. In some cases, content analysis of the document is also performed and used to determine authorship.