Hohnberg, D. P., Munchenberg, R. S., & Ross, D. A. (1971). The history and family tree of Johann George Hohnberg 1788-1856, and his wife Anna Maria (nee) Irmler 1791-1875, and their known descendants 1788-1971. [Truro, S.A.]: Munchenberg.

Hohnberg, Desmond Paul, Reginald Schilling Munchenberg, and Donald A. Ross. The History and Family Tree of Johann George Hohnberg 1788-1856, and His Wife Anna Maria (nee) Irmler 1791-1875, and Their Known Descendants 1788-1971. [Truro, S.A.]: Munchenberg, 1971.

Hohnberg, Desmond Paul, Reginald Schilling Munchenberg, and Donald A. Ross. The History and Family Tree of Johann George Hohnberg 1788-1856, and His Wife Anna Maria (nee) Irmler 1791-1875, and Their Known Descendants 1788-1971. [Truro, S.A.]: Munchenberg, 1971.