I have just discovered that the MIT has put online through Flickr about 2,000 photographs of Boston shot in the late 50’s by Nishan Bichajian.
This is great documentary resource for people interested in the Boston cityscape and its evolution since 5 decades. There are nice street shots too, especially from North-End (check out the photostream around page 61)
Here it is: http://www.flickr.com/photos/mit-libraries
Because it's there 