Columbia subject headings:
Heidelberger Katechismus--Congresses.
Palatinate (Germany)--Church history--Congresses.
Reformation--Germany--Palatinate--Congresses.
Reformed Church--Germany--Palatinate--Doctrines--History--16th century--Congresses.
Ursinus, Zacharias, 1534-1583--Congresses.
Harvard subject headings:
Heidelberger Katechismus--Congresses.
Palatinate (Germany)--Church history--Congresses.
Reformation--Germany--Palatinate--Congresses.
Reformed Church--Germany--Palatinate--Doctrines--History--16th century--Congresses.
Ursinus, Zacharias, 1534-1583--Congresses.
Princeton subject headings:
Heidelberger Katechismus--Congresses.
Palatinate (Germany)--Church history--Congresses.
Reformation--Germany (West)--Palatinate--Congresses.
Reformed Church--Germany (West)--Palatinate--Doctrines--History--16th century--Congresses.
Ursinus, Zacharias, 1534-1583--Congresses.