0 work produced by an artist when he or she was young, especially when it is published or known only after the artist has become famous later:
The unpublished material incorporates juvenilia from the 1940s and 1950s.
I find that kind of juvenilia incredible.
There are also numerous unpublished works, sketches and juvenilia.
Greenya summarised that the novel was far more than literary juvenilia.
Available juvenilia show her to be an avid writer since age twelve, keeping a cahier de style and publishing her first short stories in a local paper.