For another impression of the first and second in the collection of the British Museum, museum numbers 1906,1220,0.1188 and 1906,1220,0.1169, go to www.britishmuseum.org/research
For additional impressions of the first in the collection of the Museum of Fine Arts Boston, accession numbers 11.28942, 11.26038 and 11.45386.41, go to www.mfa.org/collections
For another impression of the second in The Tsubouchi Memorial Theatre Museum of Waseda University, Japan, go to
http://enpaku.waseda.ac.jp/db/enpakunishik/results-big.php?shiryo_no=100-1538
For another impression of the third, fourth and fifth in the collection of the Museum of Fine Arts Boston, accession numbers 11.38050, 11.38051 and 11.41224, go to www.mfa.org/collections