African Studies Abstracts Online  African Studies Abstracts Online (ASAO) was a quarterly abstracting service covering academic journal articles and edited works on Africa in the field of the social sciences and the humanities. It was published by the Afrika-Studiecentrum Leiden. The journal was established in 1968 as "Documentatieblad" and renamed "African Studies Abstracts" in 1994, before obtaining its current name in 2002 when print was abandoned and with volume numbering re-starting at 1. ASAO no. 60 (2017) was the last issue .