Up to the year 1465 only one firm of printers evinced any appreciation of the uses of advertisement. In 1457 Johann Fust and Peter Schoeffer, of Mainz, set their names at the end of the liturgical Psalter which they were issuing from their press, and stated also the date of its completion, "In vigilia Assumpcionis," on the vigil of the feast of the Assumption, i.e. August 14th. Save in the case of a few unimportant books this preference for publicity remained the settled practice of the firm until Peter Schoeffer's death early in the sixteenth century, and later still when it was in the hands of his son Johann. With other printers at first the tendency was all the other way. Albrecht Pfister placed his name in one or two of the handful of popular illustrated books which he printed at Bamberg about 1461. No other book before 1465 contains its printer's name, and both at Strassburg and at Basel the practice of publishing anonymously continued in fashion throughout the 'seventies--in Strassburg, indeed, for the best part of another decade. [Illustration: IV. EARLY DUTCH PRESS ALEXANDER GALLES, DOCTRINALE (3^a)] While printing continued mainly anonymous chroniclers took no note of it, but in the ten years which began in 1465 the progress of the art was rapid and triumphant. Printers, mostly Germans, invaded the chief cities of Europe, and boasted in their books of having been the first to practise it in this place or that. Curiosity as to the beginnings of the invention was thus aroused, and from 1470 onwards we meet with numerous attempts, not always accurate, to satisfy it. The earliest of these attempts is in a letter from Guillaume Fichet, a Professor at the Sorbonne, who was mainly responsible for bringing the first printers to Paris, to his friend Robert Gaguin. This is contained in one copy of the second Paris book, the _Orthographia_ of Gasparinus Barzizius, printed in 1470, Fichet having a fondness for giving individuality to special copies by additions of this kind. In this letter he speaks of the great light which he thinks learning will receive from the new kind of bookmen whom Germany, like another Trojan Horse, has poured forth.