Landscape: includes images of scenes, mostly in nature but may include some structures
Portrait: for an index see sitter index; also indicated are unknown sitters; includes caricature and cartoon
Still life: flowers, vases, fruit, etc.
Decorative: design and allegorical images
Genre: everyday scenes; includes animals, birth and death, mourning pieces, monuments, etc.
Marine: scenes on the water; mostly boats
City views & Buildings: towns and cities set in landscapes; interior and exterior views of buildings