Musty old archives and piles of yellowed paper might be the conventional way to think about historical studies, but in this paper, Lance van Sittert (History Department, UCT) used a digitised database to go back in time and pull out all the information on exports of African clawed frogs.
Together with information from publications, we obtained decadal time slices of how X. laevis spread across the globe. Read about their historical spread in our recently published paper: Van Sittert & Measey 2016