Many items from the Brennen Collection are hung or housed separately.
The larger maps are hung throughout Trexler Library in the following locations:
| Map title |
Call No. |
Location |
| Map of Lehigh County, Pennsylvania, Philadelphia : G.A. Aschbach, 1862. |
B.C. PA 5 |
On display on the north wall of Trexler Library's C-Level |
| Topographical and property map of the city of Allentown and the surrounding territory, Philadelphia : G.A. Aschbach, 1870. |
B.C. PA 6 |
On display on the north wall of Trexler Library's C-Level |
| A portion of the city of Allentown, [Reading, Pa.] : [Reading Publishing House], [1876] |
B.C. PA 7 |
On display in alcove outside of Trexler Library's B-01 Classroom |
| A map of Pennsylvania exhibiting not only the improved parts of that Province, but also its extensive frontiers: London, Printed for Robt. Sayer & J. Bennett, 1775. |
B.C. PA 3 |
On display in alcove outside of Trexler Library's B-01 Classroom |
Land deeds are hung in the Pennsylvania German Vault
