Possible Clues:

• Toulouse-Lautrec took content that's oddly-numbered
• Page 1 or 3, usually
• Page 1, 3 or 5, usually
• Cleric loses, right on front of sheet
• Answer? There's no answer, and nothing on page
• One page in plot certainly written up
• Brief cotton regularly appearing in Page 3, perhaps?
• Oppositeness
• Page opposite a verso
• Page 3, for example, clergyman clipped?