@book{26011,
	author = {Hollis, Helen R.},
	title = {Pianos in the Smithsonian Institution},
	publisher = {Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1973.},
	series = {Smithsonian studies in history and technology, no. 27},
	address = {Washington}
}