Bochkovi (Petritsoni) monastery tipikon (Sofia)-first page
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://digital.nationallibrary.bg/DWWebClient/%28X%281%29S%28it2yn31oca1nyliql1n3elhp%29%29/ViewerWindow.ashx?WebpartKey=Viewer_Viewer_17413&amp;v=1796">Manuscript in Sofia national library</a>