I have aimed in these brief remarks to sketch some parameters of a possible model for theorizing sources of international law through the lens of inclusive positivism. Admittedly, many issues remain untouched, for example, distinguishing—if possible—between the forma- tion and application of sources; the (ir)relevance of consensus of international actors regarding a source; the (Hartian) internal point of view of those actors; and the hierarchy of sources themselves, to note a few that call for further elaboration.