In architecture no work that is indisputably by Leonardo survives, but his expertise and ideas, recorded in his drawings, were important in this field, too.

Preview	Picture Data	File Info	Comment
	Studies of central plan buildings - Pen and ink on paper, 23 x 16 cm Institut de France, Paris	750*1051 True Color 153 Kb
	Study of a central church c. 1488 Pen, ink and black chalk on paper, 24 x 19 cm Bibliothèque de l'Institut de France, Paris	658*942 True Color 59 Kb
	Studies of the Villa Melzi and anatomical study 1513 Pen and ink on paper Royal Library, Windsor	806*1070 True Color 116 Kb