This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Houghton FA . Albrecht Drer woman front. en Proportion study of woman from the front Albrecht Drer Hierin sind begriffen vier Bcher von menschlicher Proportion lib harvard edu FA Houghton Library Harvard University lib harvard edu FA Houghton Library Harvard Universitybr institution Houghton Library Creator Albrecht