In the period 1930 -- 1934 , he moved to teach Bulgarian language in a gymnasium in Sofia , where he also took lead as a librarian .
Raztsvetnikov taught in Gabrovo ( 1926 -- 1929 ) .
In the period 1930 -- 1934 , Raztsvetnikov moved to teach Bulgarian language in a gymnasium in Sofia , where Raztsvetnikov also took lead as a librarian .
Raztsvetnikov taught in Gabrovo ( 1926 -- 1929 ) .