These columns from THE STARS AND STRIPES are filled with details as to the individual Army units (both French and American) that participated in rolling back the Germans along the Marne.
"On June 4, the best information available indicated that the enemy was employing not less than 33 divisions, about 3000,000 men... But like the defenders of Verdun, the American machine gunners set their teeth and said, 'They shall not pass.'"
More articles about the Battle of Chateau Thierry can be read here.