Retrosheet has the box score and play-by-play for each game of the series
Some of the key players for the Tigers: Al Kaline (his only World Series appearance), Jim Northrup, Mickey Stanley, Dick McAuliffe, Norm Cash, Bill Freehan (coached the U-M baseball team from 1990-1995), Willie Horton, Don Wert, Mickey Lolich, Denny McLain, Pat Dobson, Earl Wilson, Joe Sparma.
Some of the key players for the Cardinals: Mike Shannon, Lou Brock, Curt Flood (the library has two recent books about his challenge of the reserve clause, leading to free agency), Orlando Cepeda, Julian Javier, Tim McCarver, Dal Maxvill, Roger Maris, Bob Gibson, Nellie Briles, Ray Washburn, Joe Hoerner, Ron Willis, Steve Carlton.
Managers: Mayo Smith (Tigers), Red Schoendienst (Cardinals).
John Fetzer was the Tigers owner.
The Tigers’ home games were played at the old Tigers Stadium:
A Place for Summer: a Narrative History of Tiger Stadium by Richard Bak
Home, Sweet Home: Memories of Tiger Stadium from the archives of the Detroit News
The Corner: a Century of Memories at Michigan and Trumbull by Richard Bak
Announcers: Ernie Harwell and Ray Lane were the radio announcers on WJR for the Tigers; George Kell and Larry Osterman covered the games on TV for WJBK; Harry Caray and Jack Buck announced for the Cardinals.
World Events in 1968: Martin Luther King, Jr. and Robert F. Kennedy assassinations; riots at the Democratic National Convention in Chicago; My Lai and the Tet offensive; Prague Spring; student protests in Berkeley, Ann Arbor, and the Sorbonne; Yippies; and Richard Nixon’s election as President.
Nineteen Sixty-Eight: a Personal Report by Hans Koning
1968: the Year That Rocked the World by Mark Kurlansky