His first work, published anonymously in 1806, was entitled Sechs Dialoge fiber Krieg und Handel.
His earliest production, A New Guide to the University and Town of Cambridge, was published anonymously in 1831.
You can even chat anonymously if you choose.
He entered the university of Edinburgh in 1825, and soon afterwards began to contribute papers to the Edinburgh Philosophical Journal anonymously under the signature "A."
Like all his works, it was published anonymously, although the identity of the author was never long concealed.