"Really, Mr. Pless," I mumbled in direct contrast to his sangfroid, "you-you surprise me."
"A Fool and His Money"
George Barr McCutcheon
He, too, after his little outburst seemed shaken, lacking in his usual sangfroid.
"The Box with the Broken Seals"
E. Phillips Oppenheim
It rather astonished me to hear instrumental sounds issue forth in harmony from such woolly-headed youngsters; to hear well-known French music at this isolated port, to hear negro boys, that a few months ago knew nothing beyond the traditions of their ignorant mothers, stand forth and chant Parisian songs about French valor and glory, with all the sangfroid of gamins from the purlieus of Saint-Antoine.
"How I Found Livingstone"
Sir Henry M. Stanley