Publisher Dorling Kindersley has provided free clip art for school use.  Students and teachers can browse multiple categories when completing projects including: Ancient Egypt, Ancient Greece, Ancient Rome, Animals, Arts and Sports, Birds Castle, Christmas, Costume, Crystal and Gems, Dinosaur, Earth, Electricity, Farm, Flag, Flight, Forces Future, Gardening, Halloween, History, Holiday, Human Body, Insect, Jungle, Maps, Matter, Medieval Life, Music, Nature, People and Places, Pirate, Plants, Pyramid, Religion,  Rock and Mineral, Science, Shark, Skeleton, Society, Space, Viking, Volcano, Weather, Whale.