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

Archival materials (140) Collection descriptions (29) Photographs (22) 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) Maps (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) Mechanical drawings (2) Patents (2) Phonograph records (2) Stereographs (2) Tracings (2)

Coal mines and mining (17) Railroads (11) Anthracite (7) Coal (6) Laborers (6) Mines (6) Anthracite coal industry (5) Anthracite coal (4) Factories (4) Mining (4) Mining equipment (4) 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) Mines and mineral resources (2) Mining engineering (2) Museum curators (2)

Lehigh Coal and Navigation Company (60) National Museum of American History (U.S.). Division of Work and Industry (19) Philadelphia and Reading Coal and Iron Company (12) Coxe Brothers and Company, Inc. (Drifton, Pennsylvania) (11) National Museum of American History (U.S.). Division of Extractive Industries (11) National Museum of American History (U.S.). Division of History of Technology (11) Lehigh Valley Coal Company (10) Lehigh Valley Railroad Company (10) Millington, W.P. (9) Wagner, E.C. (9) Underwood & Underwood (8) Ayer (N W) Incorporated. (6) Millholland, James A., Jr. (6) Warshaw, Isadore (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 Car and Foundry Co. (Jackson & Sharp Car Co.) (2) American Petroleum Institute. (2) Carter, Jimmy, 1924- (2) ConRail (2) Custom Craft (2) Erie Railroad Company (2) Gordon, Robert B. (2) Jackson & Sharp Car Co. (2) Keystone View Company (2) Maertz, J.F., Department Store (Milwaukee, Wis.). (2) National Museum of American History (U.S.). Division of Transportation (2) National Museum of American History (U.S.). Division of Agriculture (2) Olevsky, Walter (2)

Americans (1) Anglo-American (1)

Pennsylvania (17) Scranton (6) United States (6) Pottsville (Pa.) (2) Reading (Pa.) (2) Washington (D.C.) (2) Africa (1) Ashland (Pa.) (1) Asia (1) Buck Run (Pa.) (1) Buck Run (Schuylkill County, Pa.) (1) California (1) Canada (1) Central America (1) Centralia (Pa.) (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)

Archives Center, National Museum of American History (132) Smithsonian Institution Archives (4) Ralph Rinzler Folklife Archives and Collections (3) Human Studies Film Archives (1)