Columbia subject headings:
Anabaptists--Switzerland--Correspondence.
Anabaptists--Switzerland--History--Sources.
Grebel, Konrad, 1498?-1526.
Switzerland--Church history--Sources.
Harvard subject headings:
Anabaptists--Switzerland--Correspondence.
Anabaptists--Switzerland--History--Sources.
Grebel, Konrad, 1498?-1526.
Switzerland--Church history--Sources.
Princeton subject headings:
Anabaptists--Switzerland--Correspondence.
Anabaptists--Switzerland--History--Sources.
Grebel, Konrad, 1498?-1526.
Switzerland--Church history--Sources.