The Question and Answer section for The Glass Menagerie is a great resource to ask questions, find answers, and discuss the novel.
Tom's one time interest in writing is illumiated through Jim's references to Shakespeare...... he even calls Tom Shakespeare.
From the text:
It is about five o'clock of a late spring evening which comes 'scattering poems in the sky.'
A delicate lemony light is in the Wingfield apartment.
The new floor lamp with its rose-silk shade is in place, a coloured paper lantern...