Not all are filled with eBooks yet, but some are; for beginning see Ad litteraturam ...
Ad anthropologiam et historiam: publication of texts in social and human sciences, mainly within the epistemological framework of history and historical anthropology
Ad fontes: publication of various sources (written, oral-transcribed, visual, etc.)
Ad memoriam: publication of memoirs, diaries, chronicles, testimonies
Ad universitatem: publication of texts concerning university life, the history of universities, intellectual autonomy and, in particular, the neoliberal ruination of the university and the entire intellectual critical thinking sector of social life
Ad litteraturam: publication of literary texts, including POETRY // ESSAYS // SHORT STORIES // NOVELS // DRAMATICS // CHILDREN'S LITERATURE
Ad legem et litem: publication of texts relating to the violation of regulations, legal provisions, laws
Ad lucem: publication of texts originating in the 18th Century or relating (either directly or indirectly) to the European and other variants of the Enlightenment
Ad rem: publication of polemical texts, pamphlets, satires, humorous stories and interviews
Ad hoc: publication of conceptual drafts, sketches and ideas for further elaboration
Ad picturam: publication of visual representations and texts about them