For the following, identify the category of authority as primary, secondary, or non-authority.

1. An article in the New York Time regarding the issue of abortion.
2. An opinion found in the Bankruptcy Reporter.
3. A notation regarding treatment of an opinion found in Shepard's.
4. Headnotes.
5. An opinion from the U.S. Supreme Court.
6. An article in the A.L.R.
7. A digest.
8. A U.S. Constitutional Amendment.
9. The United States Code.
10. The Federal Rules of Appellate Procedure.
11. Dictum
12. An administrative regulation.
13. Introduction to Paralegalism by William Statsky.
14. An appellate brief.
15. An opinion found in the Federal Supplement.