Start with these resources to find information on your research project relating to a fire incident, famous fire, a code failure, or an inspection failure which led to a change in either the codes, change in laws, inspection process, etc. Do also do some Google searching, but evaluate sources you find there critically and carefully.
There are several different types of resources that might be applicable to historical research like this:
See the guide below for help with finding these.
Depending on your topic, there may be other recommended places to search. Don't hesitate to contact me for a little (or a lot of) help!