In the present issue of História, Ciências, Saúde – Manguinhos (vol.24 no. 3 July-Sept. 2017), we begin a new section in the journal: historiographical reviews.
Our aim is to provide a panoramic perspective of what has been achieved on selected themes and what needs more investigation.
Nelson Sanjad, a historian from the Museu Paraense Emílio Goeldi, in Belém, was commissioned to write on international exhibitions related to Latin America. We should mention that this article was possible thanks to the grant we received from the Wellcome Trust about a year ago.