In the department of belles-lettres he wrote a good deal under such pseudonyms as Christian Deutsch, Gottfried Flammberg and Sigmund Sturm.
At Halle he was influenced, especially in philosophy, by Sigmund J.
Berger, Johannes Hus and Konig Sigmund (1871); E.
Wattenbach, Leipzig, 1897); Sigmund Billing, Kleine Chronik der Stadt Kolmar (Colmar, 1891); Hund, Kolmar vor and wiihrend seiner Entwickelung zur Reichsstadt (Strassburg, 1899); J.
Teutonic legend does not lightly exaggerate, and what to us seems incredible in it may be easily conceived as credible to those by whom and for whom the tales were told; that Sigmund and his son Sinfiotli turned themselves into wolves would be but a sign of exceptional powers to those who believed in werewolves; Fafnir assuming the form of a serpent would be no more incredible to the barbarous Teuton than the similar transformation of Proteus to the Greek.
The system of the quadratic and cubic, consisting of 15 forms, and that of two cubics, consisting of 26 forms, were obtained by Salmon and Clebsch; that of the cubic and quartic we owe to Sigmund Gundelfinger (Programm Stuttgart, 186 9, 1 -43); that of the quadratic and quintic to Winter (Programm Darmstadt, 1880); that of the quadratic and sextic to von Gall (Programm Lemgo, 3873); that of two quartics to Gordan (Math.
Fcereyinga tells the tale of the conversion of the Fa revs or Faroes, and the lives of its chiefs Sigmund and Leif, composed in the 13th century from their separate sagas by an Icelander of the Sturlung school.
Vertraulicher Briefwechsel mit Sigmund Pruschenk, edited by V.