When she was only about 15 years old she wrote her first poems which were acclaimed for their youthful freshness .
Marie Heiberg ( 10 September 1890 -- 15 February 1942 ) was an Estonian poet .
When Marie Heiberg was only about 15 years old Marie Heiberg wrote Marie Heiberg 's first poems which were acclaimed for their youthful freshness .
Marie Heiberg ( 10 September 1890 -- 15 February 1942 ) was an Estonian poet .