Restoring wood planes

Hi all

Its been a while since ive come to the space but ive recently acquired a set of traditional wood working planes.

The seem to be all in fairly good condition except for some minor cracks in the largest plane and a partially broke tooth in the smoothing plane.

I was hoping that some has had some experience before restoring them and could lend me slme advice. As I would love to get them into working order again.

All the best