And here I'll fling the pillow, there the bolster, This way the coverlet, another way the sheets.
William Shakespeare. The Taming of the Shrew
---
Well, now, the under sheet you must bring over the bolster,—so—and tuck it clear down under the mattress nice and smooth,—so,—do you see?
Harriet Beecher Stowe. Uncle Tom's Cabin
---
Beside the window the enormous bed was made up, with ragged blankets and a coverless bolster. The old-fashioned clock with the twelve-hour face was ticking away on the mantelpiece.
George Orwell. 1984 (1949)
---
The rope, sawn through, let go with a shuddering snap and my arms dropped like bolsters, aching with released strain.
Diana Gabaldon. Outlander (1991)
---
The bed had a spring mattress, and a special sort of bolster and silk pillowcases on the little pillows.