NRHS Library - General Information Contents of this section. The NRHS Library is co-located with the National Office in Philadelphia, Pennsylvania. To contact the Library, contact the National Office. The primary focus of the NRHS Library is North American railways, with a small collection of selected publications on the railways of other countries. Collections of most items are not complete.
Most items are in the process of being catalogued.
The NRHS Library's overall collection includes, but is not limited, to the information listed in the next section. Photocopies may be made for most items. When submitting a railway history research request in writing, include your name, mailing address and daytime telephone number, as well as e-mail address if any. You must use this form for electronic research requests. We do not, nor did we ever, have ex-railroad employee records in the collection of our research library.