Variation on Totempole, published 1976 by Diogenes Verlag AG, Zürich).
Q. Your fun came up against those American puritanical values. What’s it like to see your erotic works displayed in the Drawing Center exhibition when they were so controversial in the past?
A. I was ahead of my time. Taschen came out with a huge book of my erotic works and I was delighted to see that, when it came out, there were sometimes more women than men at a signing, which would have been unthinkable in the time.
(https://www.theparisreview.org/blog/2015/01/30/all-in-one-an-interview-with-tomi-ungerer/)
Before he left [New York], however, Ungerer produced a suite of drawings depicting a young woman, usually alone, contorted in a variety of bondage positions that, more inquiry than assertion, are arguably the most accomplished and tender of his career. (Had Ungerer done the poster for The Night Porter, Liliana Cavani’s much reviled S&M love story might have had a far different reception.)
(http://www.nybooks.com/daily/2015/02/05/tomi-ungerer-brash-bold-insolent/)