: Of course. But what's that PSTS is all about. " Do not make analytic, synthetic, interpretive, or evaluative claims about material found in a primary source. " For instance, in the article on Dacians "Strabo, who describes them as distinct, though cognate tribes, states that they spoke the same language. Pliny the Elder confirms they spoke the same language. "  is original research, if you cannot find a modern scholar suggesting this interpretation using Strabo and Pliny.