Phil: Chalkstones is our father.
"You Never Can Tell" by George Bernard Shaw
Chalkstones deformed his fingers, dissected by leanness.
"The Man Who Laughs" by Victor Hugo
Chalkstone, Mrs., ii, 59.
"History of Woman Suffrage, Volume III (of III)" by Various
The above-mentioned stone cliffs consisted of grey coarse chalkstone.
"In the Andamans and Nicobars" by C. Boden Kloss