Anne Arundel County Historical Society
Benson Hammond House, Glen Burnie, MD 21061, (410) 768-9518

Miller House
135 W Washington St, Hagerstown, MD 21740, (301) 797-8782

Montgomery County Historical Society - Beall Dawson House & Stonestreet Medical Museum
103 W Montgomery Ave, Rockville, MD 20850, (301) 762-1492

Montgomery County Historical Society - Museums and Library
103 W Montgomery Ave, Rockville, MD 20850, (301) 762-1492

Mount Airy
8714 Rosaryville Rd, Upper Marlboro, MD 20772, (301) 856-9656

Museum & Library of Maryland History
201 W Monument St, Baltimore, MD 21201, (410) 685-3750

National Railway Historical Society Potomac Chaptr
Kensington, MD 20895, (301) 946-9461

Spruce Forest Artisan Village Inc
177 Casselman Rd, Grantsville, MD 21536, (301) 895-3332

Spring Bank Inn
7945 Wormans Mill Rd, Frederick, MD 21701, (301) 694-0440

Strawbridge Shrine Inc
2650 Strawbridge Ln, New Windsor, MD 21776, (410) 635-2600

Thurmont Historical Society
11 N Church St, Thurmont, MD 21788, (301) 271-1860

Uss Constellation
1 W Pratt St, Baltimore, MD 21201, (410) 539-1797

Washington County Historical Society Headquarters - Miller House
135 W Washington St, Hagerstown, MD 21740, (301) 797-8782

Hager House & Museum
110 Key St, Hagerstown, MD 21740, (301) 739-8393

Washington County Historical Society Headquarters - Beaver Creek School & Museum
Beaver Creek Church, Hagerstown, MD 21740, (301) 797-0006

Friends of Wye Mill Inc
Po Box 277, Wye Mills, MD 21679, (410) 827-6909

Maryland-National Capital Park & Planning Commissn - Historic Sites, Marietta Mansion
5626 Bell Station Rd, Glenn Dale, MD 20769, (301) 464-5291

The Principio Furnace Foundation Inc
1723 Principio Furnace Rd, Perryville, MD 21903, (410) 642-9213

Millers Farmstead
14506 National Pike, Clear Spring, MD 21722, (301) 842-0330

Todds Inheritance Historic Site
7835 Eastern Ave, Baltimore, MD 21224, (410) 282-1740

Washington County Historical Society - Headquarters, Miller House
135 W Washington St, Hagerstown, MD 21740, (301) 797-8782

Washington County Historical Society - Headquarters, Beaver Creek School & Museum
Beaver Creek Church, Hagerstown, MD 21740, (301) 797-0006

Smithsburg Historical Society Inc
9 N Main St, Smithsburg, MD 21783, (301) 824-7154

Maryland Historical
601 N Howard St, Baltimore, MD 21201, (410) 685-6195

Washington County Historical Society - Headquarters, Beaver Creek School & Museum, Beaver Creek
Church Rd, Hagerstown, MD 21740, (301) 797-0006

Chipman Foundation the
321 Broad St, Salisbury, MD 21801, (410) 860-9290

C & O Canal Four Locks Ranger Station
11042 Four Locks Rd, Clear Spring, MD 21722, (301) 842-2222

Constellation Foundation Inc
1 W Pratt St, Baltimore, MD 21201, (410) 539-1797

Compton Raymond L
7945 Wormans Mill Rd, Frederick, MD 21701, (301) 694-0440

Fairmount Academy Historical Assoc
Upper Fairmount, MD 21867, (410) 651-2145

Frederick Womans Civic Club Inc
Steiner House, Frederick, MD 21701, (301) 694-9660

Friends of P F I At Mt Ida
Ellicott City, MD 21043, (410) 465-8500

Historical Society Queen Annes County
124 S Commerce St, Centreville, MD 21617, (410) 758-3010 

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