He was also made extraordinary professor of the German language and literature at that university in 1830, and ordinary professor in 1835; but he was deprived of his chair in 1842 in consequence of his Unpolitische Lieder (1840-1841), which gave much offence to the authorities in Prussia.
Die deutsche Philologie im Grundriss (1836) was at the time of its publication a valuable contribution to philological research, and historians of German literature still attach importance to his Geschichte des deutschen Kirchenliedes bis auf Luther (1832; 3rd ed., 1861), Unsere volkstiimlichen Lieder (3rd ed., 1869) and Die deutschen Gesellschaftslieder des 16.
Schleicher, Litauische Miirchen, Sprichworte, Rdtsel and Lieder (1857); for Slavonic parallels, F.
Budde in Die so-genannten Ebed-Jahweh Lieder u.
Von Logau, an epigrammatist of the 17th century, and introduced to the German public the Lieder eines preussischen Grenadiers, by J.
His Unpolitische Lieder, Deutsche Lieder aus der Schweiz and Streiflichter are not without poetical value, but they are mainly interesting in relation to the movements of the age in which they were written.
Braune (1892); the sixteen Geistliche Lieder by C. W.
The best of his poetical writings is his Gedichte (1827; 9th ed., Berlin, 1887); but there is great merit also in his Alemannische Lieder (1826; 5th ed., 1843), Soldatenlieder (1851), Soldatenleben (1852), Rheinleben (1865), and in his Fiinfzig Kinderlieder, Fiinfzig neue Kinderlieder, and Alte and neue Kinderlieder.
Kraeth, Die fdroischen Lieder von Sigurd (Paderborn, 1877); V.