Here are some randomly selected joke topics
Kings
When Henry VIII came to the throne what was the first thing he did?
He sat down.
Robbers
Did you hear about the robbers who fell in the sea?
They started a crime wave.
Golf
Show me a man who is a good loser and I'll show you a man who is playing golf with his boss.
Scientists
Why do scientists call it research when looking for something new?
Animals
What type of animal is no fun at a party?
A boar!
Hypochondria
Hypochondria is the only disease I haven't got
Zebra
What do you get if you cross a zebra with an ape man?
Tarzan stripes forever.
Stonemason
Did you hear about the stonemason's son?
He was a chip off the old block.
A Comedian
Patient: Doctor, I keep thinking that I'm a comedian.
Doctor: You must be joking.