1990 88 Headlight replacement....part compatability?

My father in law has a 1990 olds 88, he hit a deer with it last week. I need to replace the passenger headlight and I'd like to know what years will be compatable with the 1990 style....also will an olds 98 headlight work or are they altogether different?

Thanks in advance for any input that you can give me, I really don't know anything about these cars.

1987-1990. I believe 88's and 98's ought to be interchangeable. I dont think any other H-body cars will work since headlights are an easy thing for GM to change to make a "different" car.