Is there a web site I can show my boss regarding how many paid days a boss should give for a...?

you got of lucky. It soulds like a small place you work at, so you should be happy you got anything. The bereavement leave policy is set at the HR level for a company, and is different for each company. The places I work, it is usually three days, but I work for fortune 500 companies that can afford to allow people to have that much time off. However, I have worked for many more places, expecially when I was an hourly employee, where there are no days paid for bereavement.