| Boyde v. California | Wrote the majority opinion | Monday, March 5, 1990 | 5-4 |
| Butterworth v. Smith | Wrote the majority opinion | Wednesday, March 21, 1990 | 9-0 |
| Cruzan v. Director, Missouri Dept. of Health | Wrote the majority opinion | Monday, June 25, 1990 | 5-4 |
| Whitmore v. Arkansas | Wrote the majority opinion | Tuesday, April 24, 1990 | 7-2 |
| Keller v. State Bar of California | Wrote the majority opinion | Monday, June 4, 1990 | 9-0 |
| Collins v. Youngblood | Wrote the majority opinion | Thursday, June 21, 1990 | 9-0 |
| United States v. Verdugo-Urquidez | Wrote the majority opinion | Wednesday, February 28, 1990 | 6-3 |
| Michigan Department of State Police v. Sitz | Wrote the majority opinion | Thursday, June 14, 1990 | 6-3 |
| NLRB v. Curtin Matheson Scientific, Inc. | Wrote a regular concurrence | Tuesday, April 17, 1990 | 5-4 |
| Florida v. Wells | Wrote the majority opinion | Wednesday, April 18, 1990 | 9-0 |
| Reves v. Ernst & Young | Wrote a dissent | Wednesday, February 21, 1990 | 5-4 |
| Spallone v. United States | Wrote the majority opinion | Wednesday, January 10, 1990 | 5-4 |
| Milkovich v. Lorain Journal | Wrote the majority opinion | Thursday, June 21, 1990 | 7-2 |
| Michigan v. Harvey | Wrote the majority opinion | Monday, March 5, 1990 | 5-4 |
| Butler v. McKellar | Wrote the majority opinion | Monday, March 5, 1990 | 5-4 |
| Wilder v. Virginia Hospital Assoc. | Wrote a dissent | Thursday, June 14, 1990 | 5-4 |
| Sullivan v. Stroop | Wrote the majority opinion | Thursday, June 14, 1990 | 5-4 |
| Citibank, N.A. v. Wells Fargo Asia Ltd. | Wrote a regular concurrence | Tuesday, May 29, 1990 | 8-1 |
| Pennsylvania v. Muniz | Wrote a special concurrence | Monday, June 18, 1990 | 8-1 |
| Blystone v. Pennsylvania | Wrote the majority opinion | Wednesday, February 28, 1990 | 5-4 |
