MS 2372 Garrick Mallery Collection on Sign Language and Pictography / Series 2: Materials on Sign Language / 2.2: Correspondence on sign language filed by world region
MS 2372 Garrick Mallery Collection on Sign Language and Pictography / Series 3: Materials on Pictographs and Petroglyphs / 3.1: Correspondence, drawings, and photographs filed by U.S. state and county (or other locality)