- Indo-European language | 0, 44, 26
- List of languages | 9, 63, 30
- Linguistics | 9, 694, 96
- Science | 0, 69k, 2k
- Ciro Santilli's Homepage | 262, 237k, 4k
- Ciro Santilli's biography | 631, 2k, 7
- Ciro Santilli's natural languages skills | 150
- Collected Papers On Wave Mechanics by Deans (1928) | 22
- École Polytechnique | 2k, 2k, 3
- Having more than one natural language is bad for the world | 1k
- Murray Gell-Mann | 139
- Quantization as an Eigenvalue Problem by Schrödinger (1926) | 61, 83, 1
- Quantum electrodynamics | 682, 3k, 29
- ScienceClic | 21
- Urban Dictionary | 34