IV. River Styx [series]:
(4.5 linear feet, 72 folders)
Scope: Consists of layouts, mock-ups, artist's proofs, and typescripts
for issues of River Styx. Also,
includes board information, Duff's Poetry Series material, River
Styx PM Series material, ephemera, and correspondence. See Series I
for more correspondence and Series III for research material.