rs and older source you've found one or two errors while one journal is indeed a reliable source e g peer reviewed i probably should have moved that citation when other content was deleted and i re added it elsewhere the other direct source being an unsigned article with no peer review known i'll drop it subject to confirmation of its citation to gibbon ch for which i plan to look both journals were in jstor but that's not dispositive rephrasing a however and nearby text would not have been a problem i did not intend to communicate supersession only that the sources disagreed