McSweeney's has some good literal jokes of all categories, from knock-knocks to ethnic to religious jokes none of which offends!
KNOCK-KNOCK JOKE #8 Knock, Knock! Who's there? John. John who? John Wilson, your old friend from college. What a pleasant surprise. Please, come in.POLISH JOKE #9 How many Polish people does it take to screw in a light bulb? Two. One to hold the ladder, and the other to turn the light bulb in a clockwise fashion until it is secured in the socket.
BLONDE JOKE #116 How do you brainwash a blonde? A rigorous schedule of psychologically breaking down their confidence and resistance to outside suggestion.
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