Related Clues:

• ''Birches'' poet Robert
• Icy cover
• Winter coating
• White coat
• Relative of hoarfrost
• Sign of winter
• Cold crust
• 'Whose woods these are' he thought he knew
• Ice crystals
• Rime
• Cold ground covering
• Cover, as a cake
• First poet to read at a presidential inauguration
• Tiny ice needles
• 1961 inauguration speaker