QB1-991 Astronomy
QB1-139 General
QB140-237 Practical and spherical astronomy
QB275-343 Geodesy
QB349-421 Theoretical astronomy and celestial mechanics
QB455-456 Astrogeology
QB460-466 Astrophysics
QB468-480 Non-optical methods of astronomy
QB495-903 Descriptive astronomy
QB980-991 Cosmogony. Cosmology
QC1-999 Physics
QC1-75 General
QC81-114 Weights and measures
QC120-168.85 Descriptive and experimental mechanics
QC170-197 Atomic physics. Constitution and properties of matter
QC221-246 Acoustics Sound
QC251-338.5 Heat
QC350-467 Optics. Light
QC474-496.9 Radiation physics (General)
QC501-766 Electricity and magnetism
QC770-798 Nuclear and particle physics. Atomic energy. Radioactivity
QC801-809 Geophysics. Cosmic physics
QC811-849 Geomagnetism
QC851-999 Meteorology. Climatology