There are some older books like: https://www.amazon.co.uk/Machine-Patterns-Leonard-Publishing-Corporation/dp/0881888877/ https://www.amazon.co.uk/Machine-Patter

There are some older books like: https://www.amazon.co.uk/Machine-Patterns-Leonard-Publishing-Corporation/dp/0881888877/ https://www.amazon.co.uk/Machine-Patterns-Leonard-Publishing... which is just tabulating lots of common rhythm patterns from a wide number of genres. and some more modern ones like: https://op-forums.com/t/pocket-operations-a-portable-book-of-drum-machine-patterns/14650 https://op-forums.com/t/pocket-operations-a-portable-book-of... Neither of these are online though and would be well suited to it I agree. A quick search also came up with: http://808.pixll.de/ http://808.pixll.de/ which has drum patterns uploaded by users for popular songs