Images (30) Finding aids (29) Video recordings (1)

Archival materials (46) Collection descriptions (29) Photographs (21) Correspondence (9) Drawings (6) Reports (6) Blueprints (4) Albumen prints (3) Black-and-white negatives (3) Black-and-white photographs (3) Business records (3) Manuscripts (3) Posters (3) Accident reports (2) Account books (2) Audiocassettes (2) Audiotapes (2) Brochures (2) Circular letters (2) Clippings (2) Cyanotypes (2) Deeds (2) Financial statements (2) Lantern slides (2) Letterpress copybooks (2) Maps (2) Mechanical drawings (2) Patents (2) Stereographs (2) Tracings (2) Advertisements (1)

Coal mines and mining (17) Railroads (11) Anthracite (7) Laborers (6) Mines (6) Anthracite coal industry (5) Coal (5) Factories (4) Mining (4) Mining equipment (4) Anthracite coal (3) Locomotives (3) Railroad equipment industry (3) Trains (3) World War, 1914-1918 (3) advertising (3) Agriculture (2) Children (2) Committees (2) Congresses and conventions (2) Conservation of natural resources (2) Conservation/Food production (2) Energy conservation (2) Engineering (2) Engineers (2) Forest products (2) Labor unions (2) Mineral industries (2) Mining engineering (2) Museum curators (2) Museums (2)

National Museum of American History (U.S.). Division of Work and Industry (9) Underwood & Underwood (8) Millholland, James A., Jr. (6) National Museum of American History (U.S.). Division of Mechanical and Civil Engineering (4) Philadelphia & Reading Railroad Co. (4) Millholland, James A., fl. 1860s-1900 (3) Princeton University (3) American Petroleum Institute. (2) Carter, Jimmy, 1924- (2) ConRail (2) Custom Craft (2) Lehigh Coal and Navigation Company (2) Lehigh Valley Coal Company (2) Lehigh Valley Railroad Company (2) National Museum of American History (U.S.). Division of Transportation (2) National Museum of American History (U.S.). Division of Agriculture (2) Philadelphia and Reading Coal and Iron Company (2) Scurlock Studio (Washington, D.C.) (2) Scurlock, Addison N. (2) Scurlock, George H. (Hardison) (2) Scurlock, Robert S. (Saunders) (2) Alliance Coal Mining Company (1) American Car and Foundry Co. (Jackson & Sharp Car Co.) (1) American Stereoscopic Co. (1) American Telephone and Telegraph Company (1) Anthracite Water Company (1) Atlantic City Railroad (1) Ayer (N W) Incorporated. (1) Ayer, Francis Wayland (1) Bines, William H. (1) Boggs, George B. (1)

Pennsylvania (16) Scranton (6) United States (5) Reading (Pa.) (2) Washington (D.C.) (2) Africa (1) Ashland (Pa.) (1) Asia (1) Buck Run (Schuylkill County, Pa.) (1) California (1) Canada (1) Central America (1) Cheltenham (Pa.) (1) Cressona (Pa.) (1) Delaware (1) Europe (1) Harrisburg (Pa.) (1) Hoboken (N.J.) (1) Lackawanna County (Pa.) (1) Luzerne County (Pa.) (1) Mahanoy City (Pa.) (1) Mexico (1) Milwaukee (Wis.) (1) New Jersey (1) Norristown (Pa.) (1) North America (1) Paterson (N.J.) (1) Philadelphia (Pa.) (1) Pottsville (Pa.) (1) Schuylkill County (Pa.) (1) Schuylkill River (Pa.) (1)

Archives Center, National Museum of American History (40) Smithsonian Institution Archives (3) Ralph Rinzler Folklife Archives and Collections (2) Human Studies Film Archives (1)