Call numbers most frequently found in SEL are:
G - Geography, Recreation and Environmental Topics
| H - HX - Social Sciences |
| HA - Statistics | |
| HD - Industry; Production and Management | |
| HT - City Planning |
Q - QP - Science
| QA - Math and Computer Sciences | QD - Chemistry | |
| QB - Astronomy | QE - Geology | |
| QC - Physics | QP - Biophysics |
R - Medical, Biomedical
S - Landscape Architecture, Soils
T - TX - Engineering and Technology
| TA - TH - General & Civil | TN - Mining & Metallurgy | |
| TJ - Mechanical | TP - Chemical | |
| TK - Electrical & Nuclear | TS - Manufacturing and Welding | |
| TL - Vehicles |
For more information on how to read call numbers, click here.
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