Kemble, J. M., Grimm, J., & Wiley, R. A. (1971). John Mitchell Kemble and Jakob Grimm: A correspondence 1832-1852. Brill.

Kemble, John Mitchell, Jacob Grimm, and Raymond A. Wiley. John Mitchell Kemble and Jakob Grimm: A Correspondence 1832-1852. Leiden: Brill, 1971.

Kemble, John Mitchell, et al. John Mitchell Kemble and Jakob Grimm: A Correspondence 1832-1852. Brill, 1971.