Where can I find info, school, site on creating a repousse, hammered metal, sculpture? Two examples of repousse sculpture are Portlandia and The Statue of Liberty.

Jewelry Making Class - Demonstration of Repousse Technique
Repousse

Repousse Video- Making an acanthus leaf | ArtMetal
I wasn't able to view the video of the above link(something the matter with my net),but I am hoping it will be helpful.

You might also find information that is helpful to you on the following link.

Repoussé and chasing - Wikipedia, the free encyclopedia