What are some sites that have information about tenements in the Industrial and Progressive eras?

I need to write a paper on it for social studies and I need some sites because I can't find many. Information about how they were fixed/reformed would be the most helpful.What are some sites that have information about tenements in the Industrial and Progressive eras?you can see read article in http://www.mysecuredloan.co.cc for this I hope this will be resolving your problem.