Possible Clues:

• John Greenleaf --, leading campaigner in the anti-slavery movement
• John Greenleaf ____ was noted for anti-slavery campaigning and nostalgic poems about New England
• For poet the smallest thing leads to row
• Husband entertained by more amusing American poet
• 'Snow-Bound' poet
• Poet, more humorous, capturing hearts
• Poet needs to be more funny -- that's an extra aspiration
• Quaker poet, more humorous about husband
• California college
• American poet