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四项关于女性裸体的研究、一项通告和两项关于女性游泳的研究`Four Studies of a Female Nude, an Annunciation and Two Studies of a Woman Swimming (circa 1425) by Pisanello
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对一名倒下的裸体男性的研究赫拉克勒斯和狄俄墨德的马`Studies of a Fallen Male Nude for Hercules and the Horses of Diomedes (1852) by Eugène Delacroix
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绘画用手的研究圣母玛利亚的完美受孕`Studies of hands for the painting The Immaculate Conception of the Blessed Virgin Mary (1864) by Józef Simmler
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拉奥孔。拉奥孔的两项研究s的脸，一个从下面看起来是正脸，另一个从侧面看是左边`Laocoon. Two studies of Laocoons face, one seem en face from below, and the other in profile to the left (1628 – 1629) by Willem Panneels
