Possible Clues:

• "Cry, ___ Beloved Country" (Paton novel)
• That needs me for a subject
• With 36-Across, finis
• First word of many a title
• "In the beginning . . ." (Genesis 1:1)
• See 38 Across
• With 13-Down, errand runner's destination
• Finis
• and 24 Down: Similar things
• Article everyone's familiar with