The image linked here is claimed to be used under fair use in Sleeping Girl as:
This is the source of the main image in Sleeping Girl, which is an article that entirely consists of analysis, commentary and criticism of Sleeping Girl.
The subject of the image is a historically significant artwork as the clear source of one of the cornerstone works that the Pop art art movement was founded upon in North America.
The image is only being used for informational purposes to depict the source of the most important art work in the article.
Its inclusion in the article adds significantly to the article because it exemplifies an important topic from this article.
copies made from it will be of very inferior quality to the original,
the image is only being used for the purpose of analysis or criticism,
there is no alternative, public domain or free-copyrighted replacement available.
This image is from a comic strip, webcomic or from the cover or interior of a comic book. The copyright for this image is most likely owned by either the publisher of the comic or the writer(s) and/or artist(s) which produced the comic in question. It is believed that
the use of low-resolution images of the cover of a comic book to illustrate:
the issue of the comic book in question;
the periodical comic book series of which this issue is a part; or
the copyrighted comic book character(s) or group(s) on the cover of the issue in question;
or the use of low-resolution images of a single panel from a comic strip or an interior page of a comic book to illustrate:
the scene or storyline depicted, or
the copyrighted character(s) or group(s) depicted on the excerpted panel in question;
where no free alternative exists or can be created,
{{Non-free use rationale |Article = Sleeping Girl |Description = Girls' Romances number 105 |Source = http://image-duplicator.com/images/sources/21913_01.jpg |Portion = one panel of six |Low_resolution = yes...