MS 2372 Garrick Mallery Collection on Sign Language and Pictography / Series 2: Materials on Sign Language / 2.1: Correspondence on sign language filed by Native American culture area
MS 2372 Garrick Mallery Collection on Sign Language and Pictography / Series 3: Materials on Pictographs and Petroglyphs / 3.2: Correspondence, drawings, and photographs filed by world region or country / Canada