Jasmine oversees the daily operation of the library, providing access to more than 500,000 manuscripts and 25,000 reference books. Materials are available to the public on-site during regular business hours and remotely via the research request form on this website, library@chestercohistorical.org, mail, or calling the reference desk at 610-692-4800 x221. Finding aids, posted on the website, may be of help in advance of your inquiry.