Scott Andrew Trexler II Research Library & Archives
12,000+ Volumes & Three Million+ Documents
Welcome to the Lehigh County Historical Society's Research Library and Archives. We invite you to explore our excellent collection of local and regional history and extensive genealogy holdings. Here, at one of Pennsylvania's most significant archives, you will find a wealth of resource material for the serious and casual historian and the genealogist: books, maps, newspapers, photographs, oral histories, church and social records, personal and family papers, business documents and numerous county records. To facilitate your research, our reading room offers skilled staff and comfortable quarters. Our Research Library accommodates requests for on-site look-ups only. A look-up is defined as looking up information about one named person in a specific collection or record group. For more information and to request a look-up, please complete our "Look-up" Request Form.
Tuesday through Friday: 10:00 a.m. – 4:00 p.m. Our Archives close at 3:30.
Saturdays: In addition to our normal hours, we will be open on the Saturdays listed below. Our Archives are closed on Saturdays.
The Library will be OPEN:
Saturday, April 6: 10:00 a.m. - 4:00 p.m.
Saturday, April 27: 10:00 a.m. - 4:00 p.m.
Saturday, May 4: 10:00 a.m. - 4:00 p.m.
Saturday, May 18: 10:00 a.m. - 4:00 p.m.
Saturday, June 8: 10:00 a.m. - 4:00 p.m.
Saturday, July 13: 10:00 a.m. - 4:00 p.m.
Saturday, August 10: 10:00 a.m. - 4:00 p.m.
The Library is closed 1:00 p.m. – 1:30 p.m. on Saturdays.
Our Archives are closed on Saturdays.
The Library and Archives are closed Sundays, Mondays, and major holidays.
ATTENTION: The Library will be closed Friday, April 19 in observance of Good Friday.
In case of inclement weather please call 610-435-1074 to be sure we’re open.
For more information about our collections, click on one of the buttons below: