I have good news for you. There is a very useful little thing we have on our various electronic instruments that enable us to search the entire web in an instant. If you search with the following words
Guide to clean restrooms in NYC
You will find a whole long list of links that will take you to exactly that.
I am frequently amused that people will send out a general question about internet technology and sit back and wait for some well informed person to answer their question. However there is really no need to wait
You just use that good old search window and put in a few appropriate words, doing your best to be as specific as possible, and voila!
In nanoseconds you will suddenly have a long list of exactly what you’re looking for.
The trick in searching is to be as specific as possible without being too specific. Use adverbs and adjectives and other means of limiting your search so that your results will be useful.