Johlson, Joseph. Instruction in the Mosaic Religion. Translated from the German of the late J. Johlson ... by Isaac Leeser. Philadelphia: Printed for the Author by Jones & Thacher, 5627 [1867, c1830]. viii, 212 p.
Johlson, Joseph. Instruction in the Mosaic Religion. Translated from the German of J. Johlson, Teacher of an Israelitish School at Frankford on the Maine, by Isaac Leeser, Reader of the Portuguese Jewish Congregation in Philadelphia. Philadelphia: Printed by Adam Waldie, 5590 [1830]. viii, 139 p.