That ... which.
4. Christianity is a religion that reveals men as the object of God's infinite love, and which commends him to the unbounded love of his brethren.—W. E. Channing.
5. He flung into literature, in his Mephistopheles, the first organic figure that has been added for some ages, and which will remain as long as the Prometheus.—Emerson.
6. Gutenburg might also have struck out an idea that surely did not require any extraordinary ingenuity, and which left the most important difficulties to be surmounted.—Hallam.
7. Do me the justice to tell me what I have a title to be acquainted with, and which I am certain to know more truly from you than from others.—Scott.
8. He will do this amiable little service out of what one may say old civilization has established in place of goodness of heart, but which is perhaps not so different from it.—Howells.
9. In my native town of Salem, at the head of what, half a century ago, was a bustling wharf,—but which is now burdened with decayed wooden warehouses.—Hawthorne.
10. His recollection of what he considered as extreme presumption in the Knight of the Leopard, even when he stood high in the roles of chivalry, but which, in his present condition, appeared an insult sufficient to drive the fiery monarch into a frenzy of passion.—Scott
That which ... what.
11. He, now without any effort but that which he derived from the sill, and what little his feet could secure the irregular crevices, was hung in air.—W. G. Simms.