He showed us into a dim, Claustral-looking anteroom, in which, as I was told by my friend, who trifles in lost moments with the integral calculus, there were seventy-two chairs and one microscopic table.
"Castilian Days"
John Hay
I had by this time a suspicion that the Griffin was a Claustral thing and a mystery not to be blurted out.
"Hills and the Sea"
H. Belloc
By reducing my requirements to real needs and the barest necessaries, I found that three hundred and sixty-five francs sufficed for a year of penury; and, in fact, I managed to exist on that slender sum, so long as I submitted to my own Claustral discipline."
"The Magic Skin"
Honore de Balzac