Georges COURTELINE. Autograph poem, Qu'un instant de félicité peut causer de calamité!..., [1922]; 1 page and a half in-4 on a squared-off school notebook, envelope to M. Steinlen. Realist song composed of six sizains, of which we will quote the first and last: "Papa was a sausage maker, Very esteemed in the neighborhood. Mother was a laundress, And I was a groomer, Earning up to six sous a day! For hobby, a little love "...