1.   Whether this represents a preparatory drawing for the finished painting or a different version of it, remains to be established.

2.   Generally, however, printed circuit boards will be protected, through their preparatory drawings, by copyright.

3.   Behind the head is a lineup of preparatory drawings for it.

4.   A preparatory drawing for the head of the Madonna is in the National Gallery of Art in Washington.

5.   Butts confided that she hoped to organize a show on Durer, comparing his preparatory drawings with the actual glass panels the drawings inspired.

6.   In a preparatory drawing also included in the exhibition, he glances back over his shoulder, as if frightened.

7.   His etching skills became so refined that he eventually composed directly on the copper plates without need of preparatory drawings.

8.   The works include paintings, preparatory drawings, sketches, and engravings, as well as photographs, letter and archive materials.