2500 Design Drawings from J. & R. Lamb Studios (Est. 1857). Archived at the Library of Congress, Washington D.C.

2500 beautiful and original “maquettes” from this renowned American studio are archived at the Library of Congress here:
http://www.loc.gov/pictures/search/?st=grid&co=lamb

Lamb Studio Current Site:  http://www.lambstudios.com/stained-glass-studios.html