Perhaps you should try some spelling variations:
samuel harris » samuel charles, samuel hartlib, samuel hayes
harris cohen » morris cohen, harris when, harris corner
daniel sarte » daniel carter, daniel shute, daniel part
sarte cohen » sarit cohen, stuart cohen

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( samuel harris cohen ) OR ( daniel sarte cohen ))*.