Jan Theobald Held
... that physician Jan Theobald Held published a set of folk songs under the pseudonym Jan Orebský?
... that physician <b id="mwB9c"><a href="./Jan_Theobald_Held" id="mwB9g" rel="mw:WikiLink" title="Jan Theobald Held">Jan Theobald Held</a></b> published a set of <a class="mw-redirect" href="./Folk_songs" id="mwB9k" rel="mw:WikiLink" title="Folk songs">folk songs</a> under the pseudonym Jan Orebský?