However , the museum discarded most of her work .
However , the museum has never shown any of it since her death in 1968 ; only a few of her works survive and a few more are known from photographs Jo made , as reproduced in Levin .
However , the museum discarded most of her work and has never shown any of it since her death in 1968 ; only a few of her works survive and a few more are known from photographs Jo made , as reproduced in Levin .