- CA ON00239 F439-S1-SS1-f72
- Unidad documental compuesta
- 1970-1975
Parte deRalph Gustafson fonds
9 Typed letter(s) signed by the author, (4 carbon copy, 1 photocopy), 5 Typed letter(s) lacking signature(carbon copy), 1 autograph letter(s) signed by the hand of the author