- Kümmerly + Frey, creator1
- Lampe, Felix, 1868-1946, creator1
- Landkartenverlag1
- Langen, Johann Elias, 1760-1830, cartographer1
- Lejean, Guillaume, 1824-1871, cartographer1
- Leutemann, H. (Heinrich), active 1815-1850, engraver1
- Leuzinger, R. (Rudolf), 1826-1896, cartographer1
- Liebenow, W.1
- Lindner, F. L. (Friedrich Ludwig), author1
- Louis, Herbert, 1900-1
- López de Vargas Machuca, Tomás, 1731-18021
- Ludwig Ravenstein (Firm), cartographer, issuing body1
- Lüddecke, Richard1
- Maasch, Otto, cartographer1
- Magdeburg (Germany). Stadtvermessungsamt, cartographer1
- Mannert, Konrad, 1756-18341
- Mannheim (Germany). Vermessungsamt1
- Mansfeld, cartographer1
- Mayr, C.1
- Mayr, Johann Georg, 1800-1864, cartographer, engraver1
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