The establishment and publication of Botev's literary legacy

Half a year before leaving with his detachment for his homeland, Hristo Botev, together with Stefan Stambolov, published a small book with a title as unpretentious and modest as his entire appearance: "Songs and Poems by Boteva and Stambolova". This was the only attempt by the revolutionary writer to take a look at his creative path, and only in the field of poetry. The search for and publication of his entire literary work remains a task for generations, a great and responsible task that has not been finally solved to this day. What has been done in the past and what is the status of the issue of Botev's literary heritage today?