Subjects
- Leone, Lucile Petry, 1902-1999.1
- Libraries1
- Lighting4
- Lighting -- instrumentation1
- London1
- Louisiana1
- Lycée Claude Bernard (Paris, France).1
- Maintenance -- methods1
- Malaria2
- Malaria -- drug therapy2
- Malaria -- epidemiology1
- Malaria -- mortality1
- Malaria -- prevention & control10
- Malaria, Vivax -- transmission1
- Manufacturing Industry3
- Manufacturing and Industrial Facilities1
- Maritime Service Hospital Corps School (U.S.)1
- Markische Seifenfabrik (Witten, Germany)1
- Martin-Luther-Universität Halle-Wittenberg.1
- Masks1