The address of Archivio Gianni Colombo is: via Orti 3, 20122 Milan, Italy.

To arrive by public buses:
from Central Station there is the underground MM3 ( yellow
line
direction: "San Donato"): you must get off on the sixth
stop “Crocetta”. Follow "Porta Romana"
street
(direction: "Medaglie D’oro"): the first street to your left
is
"Orti".
To
arrive by auto:
you must drive on the "Tangenziale Est", the exit is
"Corvetto";
Then drive to the center of the city, street on "Corso Lodi" and "Porta
Romana". You must turn right in "Lamarmora" street; then the second
street on your right is "Curtatone" and then the first street always on
your right is "Orti".