Add sections to the bookbuilder: Open letter on the revolutionary struggle (Babis Tsilianidis, Dimitris Dimtsiadis, Socrates Tzifkas, Dimitris Fessas)

 

With complex structures, e.g., a chapter with subsections, selecting only the chapter is likely to select only the chapter's title, so probably you want to select the chapter and all its subsections.

The text structure is shown below.

 
Section
Select
Title, author, date...
Open letter on the revolutionary struggle
Source, notes...