General Bibliography
- Lyon & Healy - 1918
- Lyon & Healy - 1919
- Lyon & Healy - 1921
- Lyon & Healy - 1922
- Lyon & Healy - 1924
- Lyon & Healy - 1929
- Lyon & Healy - 1929 (II)
- Lyon & Healy - 1949
- Lyon & Healy - 1950
- Lyon & Healy - s. d.
- Maag, Ursula - 2012
- Maccabelli, Anna - 2007
- Macchi, Gustavo - 1886
- Machold, Dietmar - 1998
- Machold, Dietmar - 1998 (IV)
- Machold, Dietmar - 1998 (IX)
- Machold, Dietmar - 1998 (V)
- Machold, Dietmar - 1998 (VI)
- Machold, Dietmar - 1998 (VII)
- Machold, Dietmar - 1998 (VIII)