Originally Posted by Berkley
Excellent collection. Thank you for bringing this thread back to life.
Although we typically think of such stone tools as projectile points, they had many uses in everyday life. The top right hand point, for example, is most likely a drill. Cf. Plates 3.78 and 3.79 in Miles' Artifacts cited above, used copies of which are such a bargain among ethnographic references that there is no reason not to have a copy.
Here is a selection of arrow heads and other points collected in (primarily central) Texas shortly after WWII. As you can see, there is much variety of shapes, styles and sizes just in this area.