Gertrude Stein, 1980 - Andy Warhol - WikiArt.org
Gertrude Stein, 1933 - Francis Picabia - WikiArt.org
Portrait of Gertrude Stein, 1907 - Felix Vallotton - WikiArt.org
Portrait of Gertrude Stein, 1906 - Pablo Picasso - WikiArt.org
[네이버 지식백과] 거트루드 스타인의 초상 [Portrait of Gertrude Stein] (두산백과 두피디아, 두산백과) https://terms.naver.com/entry.naver?docId=1315165&cid=40942&categoryId=33054