Anti-immigrant sign from New York City (1916).
NINA, (Unknown). Celtic Dragon Pub Co. Retrieved from World Wide Web 2001, December 1: http://www.celticdragonpubco.com/shop/cdpc_nina.html
Signs similar to this one are referenced in:
M. "National history." (Unknown). Ancient Order of Hibernians in America
. Retrieved from World Wide Web 2001, November