I spent some time perusing the thousands of records listed under "New Orleans" at the Library of Congress
American Memory site. There are many old photographs and other sorts of "printed emphemera."
Here is a sample of what I found, in no particular order:
More on the other side...
Go
here for one of those "navigator" maps that allow you to zoom in on this pen & ink drawing of the city in the 1880s.
This photo was titled, "Man Examining Ration Book in Jackson Park, 1943."
Looking back at us from time long ago....
And now from the 1940's back to the 1840's...
And finally going way back to 1788, with another navigator map of "Plan showing the boundaries of the great conflagration of New Orleans on the 21st of March 1788."