The sourcing for MERION MERCIES is extensive, and ongoing.  From each volume’s distinctive prologue journey to the Welsh Tract history of the novels proper, the preparatory research involves a vast, ever-growing collection of libraries, historical societies, museums, and academics around the globe.  Informed by experts and enthusiasts, living-history transcripts and firsthand fieldwork, the discoveries and serendipities abound.  Often, the digging is deep.  Always, the journey is worthwhile.

To explore more about the rich history of MERION MERCIES and the Welsh Tract, here are some rewarding links:

1.  The Welsh Tract

The Barnes Foundation

Bryn Mawr College

Chester County Historical Society

Delaware County Historical Society

The Grange Estate

Harriton House

Haverford College

Haverford Township Historical Society

Historic Sugartown

Historical Society of Montgomery County

Lower Merion Baptist Church

Lower Merion Conservancy

Lower Merion Historical Society

Merion Meeting — Society of Friends

Overbrook Farms Club

Radnor Historical Society

Tredyffrin-Easttown Historical Society

Valley Forge National Historical Park

Villanova University

2.  Philadelphia and Pennsylvania

American Philosophical Society

The Athenaeum of Philadelphia

Broadcast Pioneers of Philadelphia

Census Online

City Archives of Philadelphia

Free Library of Philadelphia

Greater Philadelphia GeoHistory Network

Historical Society of Pennsylvania

Independence National Historical Park

Library Company of Philadelphia

Penn State University

Pennsylvania Historical and Museum Commission

Philadelphia Architects and Buildings

Philadelphia Area Consortium of Special Collections Libraries

Philadelphia Historical Commission

Philadelphia Historical Digital Image Library

Philadelphia History Museum at the Atwater Kent

Philadelphia Society for the Preservation of Landmarks

Preservation Alliance for Greater Philadelphia

State Museum of Pennsylvania

Swarthmore College Friends Historical Library

University of Pennsylvania

Welcome Society of Pennsylvania

Welsh Society of Philadelphia

3.  National

The Library of Congress
home page:
American Memory project:
image collections:

National Trust for Historic Preservation

4.  Karakung

American Swedish Historical Museum

National Library of Sweden

The Royal Swedish Academy of Letters, History, and Antiquities / 
Swedish National Heritage Board

Swedish-American Historical Society

Swedish Colonial Society

5.  Area Media

Main Line Media News

Main Line Today

The News of Delaware County

The Philadelphia Inquirer / The Daily News