Old signed pictures , red barron, rosenblums, new york celtics, 4 horsemen notre dame

[1991bigmac]

Hi,
I have had these old pictures that have been in my family forever. I really have not paid any attention to them over the years until recently. After doing some research I have a little info but not much.
They are pictures of;
red barron
4 horsemen notre dame
bert niehoff and norman kid elberfeld autographed
cleveland rosenblums 1928 signed by team
new york celtics signed by team.
I would love some more information on these pictures and possibly what they could be worth.
Thanks