The access codes are shown below. Multiple access codes may apply to some collections, if different portions of the collection are subject to different donor or archives-imposed restrictions. Please contact the NAA staff for more information about using specific materials.

ACCESS CODE 1
No restrictions imposed by donor or archives.
ACCESS CODE 2
Access permitted only with the approval of the donor.
ACCESS CODE 3
Photocopying or reproduction permitted only with the approval of the donor.
ACCESS CODE 4
Access and photocopying restricted by archives staff due to fragility of items in the collection.