r.: Butterfly and tricolour flag; v.: Two butterflies and part of a third were drawn in 1899 as illustrations for Whistler 1899 (F)[more].
r.: Butterfly and tricolour flag, Glasgow University Library
v.: Two butterflies and part of a third, Glasgow University Library
The sheet is catalogued in MacDonald 1995 (cat. rais.) [more] (cat. no. 1556).