A very few.
no
Landscapes, portraits, still lifes, his surroundings.
The plural form of the noun 'still life' is still lifes(or still-lifes).The plural form of changing the 'fe' to 'ves' does not apply to this compound noun.
Mainly people, but also still lifes.
painting still lifes
People and still lifes.
Living is life still alive.
The mountain Mt Sainte-Victoire and fruit still lifes.
Mainly still-lifes, some portraits.
still lifes
He painted still lifes all through his career.
Artists in ancient Rome did.