September 14 is the Feast of the Exaltation of the Holy Cross
This special feast which happens to fall on a Sunday this year will replace the 24th Sunday in Ordinary Time.
The questions can be found as follows:
Volume 1 (Gospels) - p.136 (cycle B section)
Volume 2 (Epistles) - p. 139
Volume 3 (Old Testament) - p.113;
Older books - toward the end of the book, p.3 of Special Feasts