A perverted gospel; or, The romanizing tendency of the Mercersburg theologyJacob Helffenstein · First published 1982Open the Tome
Self-deceptionHelffenstein, Jacob, fl. 1842-1877 · First published 1800 · Latest edition 1887Open the Tome
Addresses delivered at the inauguration of Rev. J.W. Nevin, D.D., as professor of theology in the Theological Seminary of the German Reformed Church, Mercersburg, Pa., May 20th, 1840Jacob Helffenstein · First published 1840Open the Tome
