General Bibliography
- Machold, Dietmar - 1998 (X)
- Machold, Dietmar - 1998 (XI)
- Machold, Dietmar - 1998 ?
- Machold, Dietmar - 2010
- Machold, Dietmar - S. d.
- Machold, Dietmar - S. d. (II)
- Machold, Dietmar - S. d. (III)
- Machold, Dietmar - S. d. (IV)
- Machold, Dietmar - S. d. (V)
- Machold, Dietmar - S. d. (VI)
- Machold, Dietmar -1998 (II)
- Machold, Dietmar -1998 (III)
- Maddaloni Massimo, Parimbelli Giacomo, Hella Lisabeth Jane - 2019
- Magius (von), E.A.B. - 1946-47
- Mailland, Eugène - 1859
- Mainardi, Iole - 1936
- Malusi, Lauro - 1972
- Mandelli, Alfonso - 1903
- Martell, P. - 1917
- Martens, Frederick H. - 1919