It is not necessary to enter into the history of a period which has been made familiar to English readers by Motley’s _Rise of the Dutch Republic_, and _United Netherlands_; but, on the other hand, it must not be supposed that there is no additional information to be gleaned from Busbecq’s letters by those who are already acquainted with the works of the American historian. On the contrary, there are points omitted by Motley which are of considerable importance; as, for instance, Alençon’s plan for making Dunkirk the seat of his government. Again, there are questions like that of Salceda’s conspiracy, in which Busbecq’s evidence does not appear to have been sufficiently considered. To those who are content to take their history at second hand, it is useless to suggest the advisability of comparing Busbecq’s letters with the received modern histories; to real students the advantages are obvious. Here is a witness almost, one might say, under cross-examination. Busbecq had to send off his despatches to his master periodically. He could not alter or retouch them; he was obliged to content himself with giving the news of the day, and his estimate of its value at the time. A distinguished general has said that in his profession it was necessary to be near the troops who were actually engaged, in order to feel the pulse of the battle; and it is only by reading the works of contemporary writers that we can feel the pulse of history. It is not impossible that Busbecq had his own hopes and ambitions with regard to the Netherlands. On September 15, 1578, the eldest of his Imperial pupils, the Archduke Matthias, was appointed Governor-General of the insurgent Provinces. It is vain now to inquire into what might have been, but in 1578 it could not have seemed altogether impossible that peace and happiness might be in store for the Netherlands under the government of the son of Maximilian and grandson of Ferdinand. It is a significant fact that Busbecq’s despatches to Rodolph prior to March 1582 have not been allowed to see the light. Matthias left the Netherlands in October 1581, so that Busbecq’s published correspondence commences just six months after the departure of the Archduke. If ever the earlier letters should be forthcoming, they will, no doubt, be found to contain much interesting information as to this episode in the history of the Netherlands, and this, in all probability, is the reason they have been suppressed.