Subject
- Laboratories--Equipment and supplies2
- Laboratories--Furniture, equipment, etc.1
- Ladenburg, Rudolf Walter, 1882-19521
- Laeuger, Max, 1864-19521
- Lakes1
- Lambie, Margaret7
- Landolt, H. (Hans), 1831-19102
- Landsberger, Herbert1
- Landscapes6
- Langevin, Paul, 1872-19461
- Latin America1
- Lavoisier, Antoine Laurent, 1743-17941
- Lawyers2
- Le Bel, J.-A. (Joseph-Achille), 1847-19301
- Le Blanc, Max Julius Louis, 1865-2
- Le Chatelier, Henri, 1850-19361
- Lease and rental services1
- Lebedev, Aleksandr Nikolaevich, 1869–19372
- Lectures12
- Lectures and lecturing15