Organization Friends Historical Association

University of Massachusetts, Amherst

David S. Wyman Institute for Holocaust Studies

American Historical Association

Organization of American Historians

Association for Asian Studies

American Association of University Professors

New Hampshire Historical Society

Society for American Baseball Research

Phi Beta Kappa

American Historical Association

American Studies Association

American Association for State and Local History

Organization of American Historians

American Folklore Society

Western History Association

Phi Beta Kappa

Phi Alpha Theta

Utah State University

Western Historical Quarterly (coeditor)

Haverford College

Young Friends Committee of Philadelphia Yearly Meeting

American Friends Service Committee

Quaker & Special Collections at Haverford College

Texas Southern University

Houston Public Library

American Historical Association

Organization of American Historians

Quakers

Chester County Historical Society

Downington Historical Society

Civilian Public Service