@book{7208,
	author = {Ryan, Clendenin J. and Parke-Bernet Galleries (Nueva York)},
	title = {Engravings, woodcuts and etchings},
	publisher = {Parke-Bernet Galleries},
	year = {1940},
	address = {Nueva York},
	note = {Catálogo 163 de enero 17, 18 de 1940}
}