Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Immaculate

Immaculate as an angel.
—Anonymous

Immaculate as Tanit.
—Gustave Flaubert

Immaculate as a sheet of white paper.
—Samuel Foote

Hearts immaculate as light.
—Josiah Gilbert Holland

Immaculate as fresh snow.
—Thomas Nelson Page