Some may have seen this thread, but on a site about New York, a member has posted a TON of pics of all parts of New York from the 1970's - great period shots of cars, fashion, and scenery in New York from years past:
http://www.google.ca/imgres?imgurl=http://farm4.static.flickr.com/3260/2576018073_dcc87fdaaf_o.jpg&imgrefurl=http://wirednewyork.com/forum/showthread.php%3Ft%3D16970%26page%3D3&usg=__zkIp4W4jarUIQJMdqSmeWvkLObo=&h=538&w=800&sz=109&hl=en&start=2&zoom=1&um=1&itbs=1&tbnid=J3JsxVkHq1e45M:&tbnh=96&tbnw=143&prev=/images%3Fq%3D%25221970%2527s%2BNew%2BYork%2522%26um%3D1%26hl%3Den%26sa%3DX%26tbs%3Disch:1
http://www.google.ca/imgres?imgurl=http://farm4.static.flickr.com/3260/2576018073_dcc87fdaaf_o.jpg&imgrefurl=http://wirednewyork.com/forum/showthread.php%3Ft%3D16970%26page%3D3&usg=__zkIp4W4jarUIQJMdqSmeWvkLObo=&h=538&w=800&sz=109&hl=en&start=2&zoom=1&um=1&itbs=1&tbnid=J3JsxVkHq1e45M:&tbnh=96&tbnw=143&prev=/images%3Fq%3D%25221970%2527s%2BNew%2BYork%2522%26um%3D1%26hl%3Den%26sa%3DX%26tbs%3Disch:1