In addition to the "NYC web site identifies buildings in NYC", http://gis.nyc.gov/doitt/nycitymap , there is also a NYC web site where you can obtain a photograph of the building or house where you or your ancestors lived in New York City. Between 1939 and 1941, NYC photographed every house and building in each of the five boroughs: http://www.nyc.gov/html/records/html/taxphotos/home.shtml I hope this information is useful or, at least, interesting. Happy Shavuot*, Walter Greenspan Great Falls, MT & Jericho, NY * The 2-day Jewish Biblical Festival of Shavuot (shuh-VOO-oht) commemorates the day when G-d gave the Jewish people the Torah (the Five Books of Moses) following Moses' descent from Mount Sinai in 1310 BCE, begins 7 weeks from the second Seder of the Jewish Biblical Festival of Pesach (Passover), which this year will be at sundown on Tuesday, May 18 on the civil calendar. </HTML>