The Factory School Audio Page lists the following digital recordings of Gertrude Stein

STEIN

A Portrait of Christian Berard, a Painter
The Making of Americans (1 & 2)
If I Told Him: A Completed Portrait of Picasso
Matisse
A Portrait of T.S. Eliot
Madame Recamier: An Opera
She Bowed to Her Brother
A Valentine for Sherwood Anderson
Interview (1934)

WILLIAMS

Poetry Reading (Harvard, date unknown)
The Botticellian Trees
The Catholic Bells
Fish
Flowers by the Sea
It is a Living Coral
"Lighthearded William..."
On Gay Wallpaper
Peace on Earth
Primrose
Queen-Anne's-Lace
The Red Lily
Smell!
The Yachts

from Spring and All
Spring and All
from xviii

from The Desert Music
The Descent
To Daphne and Virginia
The Orchestra
For Eleanor and Bill Monahan
The Yellow Flower
The Host

from Asphodel, That Greeny Flower

Ivor Winters

ZUKOFSKY

Poetry Reading (date unknown)
Reading and Discussing his work (date uknown)
Poetry Reading (KPFA, Berkeley. August, 1954)
Poetry Reading (and conversation with Hugh Kenner)
misc poems
excerpt from "A" - 12
Mantis
Song 22
"A"-24 (Recorded by Benson , Harryman, Hejinian, Robinson and Watten at UC Davis, 1979) Act 1 | Act 2