- Spectrum: A Communicative Course in English-Level Five
- Spectrum: A Communicative Course in English-Level Three
- Adolph H. Knehans, Jr., Petitioner, v. Clifford L. Alexander. U.S. Supreme Court Transcript of Record with Supporting Pleadings
- Arpeja California, Inc., Petitioner, v. Jarret N. Cohane. U.S. Supreme Court Transcript of Record with Supporting Pleadings
- Spectrum: A Communicative Course in English, Level 3