- do I have the same person?
- are these materials consistent?
- what other records do these items suggest?
- what are my research goals?
Sometimes when it feels like you are spinning your wheels, it's time to stop gunning the motor, get out of the vehicle, and see if there's some way to dig yourself out.
Hitting the gas again may just get you deeper in that spot. You may not have a brick wall...you may have mud hole.