Related Clues:
- With workers, the "P" in CEPU
- English composition
- Writing material
- Test that's tough to cheat on
- Analytic work
- Rock beater
- Research project
- SAT part
- Editorial piece
- Written analysis
- Treatise
- Where you may find the ends of 17-, 23-, 52- and 63-Across
- Personal prose unit
- Test section, often
- Op-Ed article