Points aren't going to have anything to do with the engine not cranking over. Jumping the starter relay is a quick way to test the starter itself, as mentioned. The ignition switch could be acting up, but I would start my diagnosis with the starter relay which is located on the driver's side fender. If there is no audible "click" coming from that when you turn the key to the "start" position, I would start my diagnosis there, it's a "mid-point" and lets you know which direction to keep going if it passes the test. It provides the power to the starter with a trigger from the ignition switch.
If you have NO CRANK, which is how I think I read your post;
If you are handy with a multimeter or test light this is an easy diagnosis. Basically there are four terminals on the starter relay. One goes straight to the battery (one with the 5/16 stud). The next smallest one is the one with the flathead screw in it, this will end up at the starter solenoid when the relay is engaged. If there is no click, you aren't worried about that wire yet.
The terminals you should be looking at are the top two spades in this picture. The straight terminal looks to have "G" on it, which if I remember right is to the neutral safety switch or clutch pedal switch. Put the + lead of a multimeter to the battery + , and the - lead on the mulitmeter to that terminal. It should read 12.xx volts or so. That means you have a good ground via the neutral safety switch, or the clutch switch. The next will require some alligator clips or another pair of hands. Put the - lead terminal on the battery -, put the positive on the slanted spade terminal in the picture. Have someone turn the key to the "start" position, if you read 12.xx volts, it's time to move on, if not your problem lies within the bulkhead connection/ignition switch. Now if you got 12v there, stick the + lead onto the terminal with the small flathead screw in it while the key is still in "start"...likely there will be OFL/no voltage there, if that is the case replace the starter relay. If it shows voltage there, your problem is within the starter/starter solenoid.
