Task: Text Simplification
Input (English): among his published works were peace , a lyric poem -lrb- 1814 -rrb- ; resignation -lrb- 1817 -rrb- ; the triumph of christianity -lrb- 1819 -rrb- ; and the soldier 's friend -lrb- 1828 -rrb-.
Output (English): he published , peace , resignation , the triumph of christanity and the soldier 's friend.