P. 221 Niemcewicz'a works have not yet been collected. Of his Spiewy historyene, or 'Historical Songs,' Warsaw 1819, Bowring gives
some specimens. These songs were set to music by distinguished Polish composers,
especially ladies; and, on account of their deep patriotic interest, have reached a higher degree of popularity than any other Polish work. They were written at the instigation of the Warsaw Society of Friends of Science. Besides his two historical works, Dzicie panowania Zygmunta III, or Reign of Sigismund III, Warsaw 1819, and Zbior pamietnikow, etc. a collection of imprinted documents, Warsaw 1822; and his large historical novel Jan z Teczyna, Warsaw 1825; Niemcewicz published Leyba i Szora, or Letters of Polish Jews, Warsaw 1821, presenting an illustration of their situation. His most recent production, an elegiac poem, was published at Leipzig 1833. See below, p. 286.
The fourth volume appeared at Paris; where also his earlier poetry was reprinted in 1828 under the title Poezye Adama Mickiewicza.
Author of the work Die Philosophie in ihrem Verhaltnisse zum Leben ganzer Võlker, Erlangen 1822.
The first wrote Grundlage der universellen Philosophie, Karlsruh 1837; the second, Prolegomena zur Historiosophie, Berlin 1838.