Colby Magazine vol. 96, no. 3 by Colby College Libraries - Issuu
Jack Sanborn's Emergence Has Already Filled One of the Bears' Offseason Needs - Bleacher Nation
Bears rookie linebacker Jack Sanborn records two takeaways in first preseason game – NBC Sports Chicago
Sanborn emerging as Bears defensive playmaker
2009 Northern Illinois Football Media Guide by Russell Houghtaling - Issuu
Town Topics Newspaper, November 6 by Witherspoon Media Group - Issuu
1968-1969 DMLC Messenger Vol. 59 by Martin Luther College - Issuu
Chicago Bears linebacker, Lake Zurich native Jack Sanborn impresses in first career start - CBS Chicago
Sanborn emerging as Bears defensive playmaker
1928-1929 NWC The Black and Red Vol. 32 by Martin Luther College - Issuu