im sure you've seen this resource as well. good complement to what you're working on and what DRG provided that i reference often
https://oldcardboard.com/ref/rookies/RookiesList.asp
__________________
--------------------------------------------------------------
Signed Jackie Robinson Run: 4/8 (needs: 48L, 49B, 52T, 56T).
Signed 1948 / 1949 Leaf Baseball Set: 56/98. (needs: 8,13,19,22,30,33,36,43,45,55,57,62,65,66,68,70,78, 79,81,93,95,104,108,113,121,123,129,131,137,142,14 3,144,146,153,159,160,161,163,165,168)
https://www.flickr.com/photos/198641438@N03/albums/ --not always up to date