Browse Items Browse All Browse by Tag Search Items Browse References Tags: Historical Symbol Item Count: 7 Sort by: Title Creator Date Added The Aztec Calendar James Sicner 1983 Ankh James Sicner 1983 Mayan Symbols Surrounded by a Shield-Shaped Line James Sicner 1983 Mount Rushmore James Sicner 1983 Stonehenge James Sicner 1983 Steam Locomotive James Sicner 1983 Pyramid and Sphinx James Sicner 1983 Output Formats atom, dcmes-xml, json, omeka-xml, rss2