Unidentified photographer / artist, n.d., Thermoplastic union case "Henry Clay" with the steel mold that was used to create it., Photographic case, Archives of Modern Conflict OR National Gallery of Canada, LL/12482
Unidentified photographer / artist, n.d., Steel mold for the "Henry Clay" thermoplastic union case, Photographic case, Archives of Modern Conflict OR National Gallery of Canada, LL/12483
Unidentified photographer / artist, n.d., Reverse of the steel mold for the "Henry Clay" thermoplastic union case, Photographic case, Archives of Modern Conflict OR National Gallery of Canada, LL/12484
Unidentified photographer / artist, n.d., The "Henry Clay" thermoplastic union case the steel mold that created it an a contemporary Daguerreotype copy of a portrait of Henry Clay., Photographic case, Archives of Modern Conflict OR National Gallery of Canada, LL/12485
Unidentified photographer / artist, n.d., The interior of the "Henry Clay" thermoplastic union case made by F. C. Key & Son., Photographic case, Archives of Modern Conflict OR National Gallery of Canada, LL/12486
