Alexander Graham Bell Association for the Deaf

Alexandria Black History Resource Center

Alexandria Library

Amalgamated Transit Union

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Am. Assoc. of Retired Persons

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Am. College of Obstetricians and Gynecologists

Am. Gas Association

Am. Inst. for Contemporary German Studies

Am. Inst. of Architects

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Am. Red Cross

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Anne Arundel County Public Library

Antietam National Battlefield Site

Archdiocese of Washington

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Arlington Historical Society and Museum

Arlington House

Armed Forces Institute of Pathology

Army/Air Force Joint Medical Library

Assoc. of Am. Medical Colleges

Assoc. of Am. Railroads

B'nai B'rith Museum

Baltimore Dept. of Legislative Reference

Baltimore Hebrew College

Baltimore Museum of Industry

Banneker-Douglass Museum of African-American Life and History

Bethune Museum and Archives

Bowie State University

The Boyhood Home of Robert E. Lee

Broadcast Pioneers Library

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Bureau of the Census Library

Calvert Marine Museum

Carmelite Monastery of Baltimore

Catholic University of America

Charles County Community College

College of Notre Dame of Maryland

Columbia Archives

Columbia Historical Society

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Congressional Quarterly

Corcoran Gallery of Art

Culpeper County Library

Customs Service Library and Information Center

Data Memory Systems, Inc.

Daughters of Charity of St. Vincent de Paul

Discalced Carmelite Nuns

District of Columbia Archives

District of Columbia Public Library

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Enoch Pratt Free Library

Environmental Protection Agency

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Fairfax City Regional Library

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Federal Bureau of Investigation

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Ford's Theatre National Historic Site

Fort McHenry National Monument and Historic Shrine

Fort Ward Museum and Historic Site

Frederick County Public Libraries

Fredericksburg and Spotsylvania National Military Park

Freer Gallery of Art

Friends Meeting of Washington Library

Future Farmers of America

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German Historical Institute

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Gunston Hall Library

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Historical Society of Carroll County

Historical Society of Washington

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House of Representatives Library

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International Labor Office

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James Monroe Law Office Museum and Memorial Library

Jewish Hist. Soc. of Greater Washington

Jewish Hist. Soc. of Maryland

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Joint Center for Political Studies

Josephite Archives

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Library of Congress

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Manassas National Battlefield

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Nat'l Academy of Sciences

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Prince George's County Historical Society

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Saint Mary's College of Maryland

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Supreme Court of the United States

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