Need info about parts that fits on a 1970s skylark

Hi!

I have a Buick Skylark Custom 4D HT 1970.

I whant to know from wish car models and years the parts fit, i is not nesserly to be the same, ex a grill from a GS fit, but it is not the same. i just need to know if or wish models and years that fits, this is the parts i need info about:

Front fenders, rear and back bumper, the lights in the front bumper, the grill, the part around the headlights (the right ones)

Thats about it, pleas help me. and excuse my language, i am frome sweden.