Subject
- Legion of Alien Volunteer Blood Donors1
- Lehmann, O. (Otto), 1855-19222
- Lellmann, Eugen 1883-18921
- Les Milles (Concentration camp)4
- Letters1
- Letters to the editor1
- Lewis, George M.1
- Lewis, Gilbert Newton, 1875-19462
- Lewisite (Poison gas)1
- Liabilities (Accounting)1
- Libraries2
- Library catalogs2
- Lichty, David M.1
- Lichty, David Martin, 1862-19422
- Liddell, D. M.1
- Liebermann, Carl, 1842-19141
- Liebig, Justus, Freiherr von, 1803-18731
- Liesegang, Raphael Eduard, 1869-19471
- Life insurance2
- Lilienthal, David Eli, 1899-19815