General Bibliography
- Lin, Sara - 2004
- Loda, Angelo - 2003
- Loffi, Fabrizio - 2015 (I)
- Loffi, Fabrizio - 2015 (II)
- Loffi, Fabrizio - 2017
- Lombardini, Paolo - 1872
- Lucci, Raffaella - Marchini, Rodolfo - 2010
- Lucco, Mauro - 2007
- Lucco, Mauro - 2010
- Luke, H. - 1887
- Lütgendorff (von), Willibald Leo - 1922
- Lütgerndorff (von), Willibald Leo - 1913
- Lyon & Healy - 1904
- Lyon & Healy - 1909
- Lyon & Healy - 1912
- Lyon & Healy - 1913
- Lyon & Healy - 1915
- Lyon & Healy - 1916
- Lyon & Healy - 1917
- Lyon & Healy - 1917 (II)