A Bit of Unpublished Correspondence Between Henry D. Thoreau and Isaac T. HeckerHenry David Thoreau, Isaac Thomas Hecker · First published 2018Open the Tome
Church and the Age; an Exposition of the Catholic Church in View of the Needs and Aspirations of the Present AgeIsaac Thomas Hecker · First published 2018Open the Tome
Life and Doctrine of Saint Catherine of GenoaSt Catherine of Genoa, Isaac Thomas Hecker · First published 2018Open the Tome
The Catholic Church in the United StatesIsaac Thomas Hecker · First published 1879 · Latest edition 2018Open the Tome
Catholics and Protestants agreeing on the school questionIsaac Thomas Hecker · First published 1881Open the Tome
