Back of them was one that had broken its rocker and was lying upon its side in quite a helpless condition.
"Dot and Tot of Merryland"
L. Frank Baum
The old man had simply gone off his rocker.
"Gone Fishing"
James H. Schmitz
In the middle of the room, as being in constant use, was a chip-bottom rocker and a child's low chair of the same material.
"Her Mother's Secret"
Emma D. E. N. Southworth