Add sections to the bookbuilder: The International Brigades and the social revolution in Spain, 1936-1939 (Fifth Estate Collective)

 

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.

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The International Brigades and the social revolution in Spain, 1936-1939
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