1986 luglio 14 – 1991 maggio 08
15 lettere di cui 1 senza data
A questo link si può trovare una descrizione del carteggio tra i due intellettuali

ALC_symbol_orange_02 ALC_vibrato_continuo ALC_disk ALC_eye ALC_handwriting_1 ALC_handwriting_2 ALC_handwriting_3 ALC_handwriting_4 ALC_handwriting_5 ALC_handwriting_6 ALC_handwriting_7 ALC_handwriting_8 ALC_image ALC_notes ALC_opacus. ALC_spiral ALC_spiral_blue ALC_spiral_green ALC_spiral_magenta ALC_spiral_red ALC_symbol ALC_symbol_black ALC_symbol_black_01 ALC_symbol_black_02 ALC_symbol_black_03 ALC_symbol_black_04 ALC_symbol_black_05 ALC_symbol_blue ALC_symbol_green ALC_symbol_green_02 ALC_symbol_magenta ALC_symbol_orange