1. Try a title or keyword search on your topic.
2. Look at several relevant records and note words and phrases from the "subject" area.
3. Go back to the search screen and search BY SUBJECT using the words you identified in step 2.
4. When you find something useful, copy down the call number and location.
5. Use the "Format" limiter under Advanced Search to limit your search to specific formats like Music, Visual Materials (VHS, DVDs etc.)
TA Engineering (General). Civil engineering
TD Environmental technology. Sanitary engineering
TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics. Nuclear engineering
TN Mining engineering. Metallurgy Including the mineral industries