Possible Clues:

• It covers rock, in a game
• Traditional first-anniversary gift
• Post or Trib
• '___ or plastic?'
• Pair sharing copy of the Telegraph, for example
• Commuter's reading, or word that can precede the first word of 16- and 52-Across and 10- and 30-Down
• Word with ''doll'' or ''bag''
• Treatise
• Grocery-bag option
• Word with ''doll,'' ''clip'' or ''bag''