The Friends Historical Library of Swarthmore College was established in 1871 and houses one of the largest collections of Quaker Meeting records and other documents pertaining to the Religious Society of Friends. The library is located on the Swarthmore campus in Swarthmore, Pennsylvania, and is open to the public. It's collections are overseen by Curator Christopher Densmore who has written extensively about Quaker life and topics.
The mission of the Friends Historical Library is "to document the history of the Society of Friends and its concerns from the 17th century to the present." Its holdings include Quaker Meeting records, family and personal papers, organizational records, manuscript collections, visual collections, and history resources. Further, the Library maintains an informative web site with links to other research facilities that have historical documents and holdings of interest to those researching Quaker topics.
Go to http://www.swarthmore.edu/fhl.xml for the Library's home page, hours of operation, and contact information. Go to http://www.swarthmore.edu/x7556.xml for the Library's list of research sites related to the Religious Society of Friends with links to these facilities. These links will take you to organizations in England, Ireland, Canada and the United States which have Quaker Meeting records, manuscript collections, and other archival material of importance to researchers. These organizations include research libraries and archives as well as Quaker bookstores and publishers.
Haverford College, near Swarthmore in Pennsylvania, shares with the Friend's Historical Library the Philadelphia Yearly Meeting records released to them by the Arch Street Meeting in Philadelphia. Haverford also houses the Baltimore Yearly Meeting records and other archival material related to early Quakers in the Philadelphia area. These materials are part of their Quaker and Special Collections archive. Got to http://www.haverford.edu/library/special/ for information about this collection.
Bowling Green State University has microfilmed Yearly, Monthly, and Preparative Meeting records for several Meetings in Ohio and Michigan. These may be purchased from BGSU's Center for Archival Collections. For a listing of the Meeting records available, go to http://www.bgsu.edu/colleges/library/cac/ms/page45128.html.