He completed his education by a series of scientific travels through Switzerland and Italy, during part of the time acting as companion and secretary to Charles de Bonstetten,[1] after which he returned to his alma mater.
It is a notable fact that, while in Parliament, he proposed a motion for the reunion of Catholics and Protestants, but only on condition that the Holy See would promise never to permit the Jesuits or Redemptorists to settle on German soil.
The 1913 Catholic Encyclopedia describes Gfrörer as "bold" and "prolific", praising his "great acumen" and "unusual ability", but says that "his literary researches were sometimes lacking in method."
At the same time he studied the history of the Thirty Years' War, and in 1835 (in Stuttgart) published Gustav Adolf, König der Schweden und seine Zeit (4th ed., 1863), in which by emphasizing the political role of the Swedish king he took a position diametrically opposed to the views previously held by Protestants.
His later publications are: Many volumes of lectures were published posthumously: His Prophetae veteres pseudepigraphi latine versi (Stuttgart, 1840), with translation, is critically unsatisfactory.