Did you read my post above 303 has a hatnote to 303 disambiguation which links the Roland TB 303 so there is no need for a hatnote at top of 300 number Imagine what a humongous hatnote we could get if we started duplicating everything at pages like 302 disambiguation 303 disambiguation 304 disambiguation 305 disambiguation 306 disambiguation 307 disambiguation 308 disambiguation 310 disambiguation 312 disambiguation 314 disambiguation 316 disambiguation 322 disambiguation 323 disambiguation 336 disambiguation 380 disambiguation None of these have a corresponding 3xx number article You are free to create a new article at 303 number See Help Redirect Creating and editing redirects