The Chronicle of Ireland
...that the most important source for early Irish history, The Chronicle of Ireland, had to be reconstructed from later, derivative works because no original copies survived?
...that the most important source for early <a href="./History_of_Ireland" id="mwCvw" rel="mw:WikiLink" title="History of Ireland">Irish history</a>, <b id="mwCv0"><a class="mw-redirect" href="./The_Chronicle_of_Ireland" id="mwCv4" rel="mw:WikiLink" title="The Chronicle of Ireland">The Chronicle of Ireland</a></b>, had to be reconstructed from later, derivative works because no original copies survived?