| Subject | Items Available |
| Accidents | 103 |
| Accidents - Explosions | 8 |
| Accidents - Fires | 69 |
| Accidents - Fires - Arson | 1 |
| Accidents - Fires - Forest Fires | 0 |
| Accidents - Fires - Mine Fires | 6 |
| Accidents - Industrial Accidents | 0 |
| Accidents - Marine Accidents | 8 |
| Accidents - Marine Accidents - Shipwrecks | 41 |
| Agriculture | 137 |
| Agriculture - Forests and Forestry | 3 |
| Aids to Navigation | 5 |
| Aids to Navigation - Life-Saving Stations | 6 |
| Aids to Navigation - Lighthousers | 50 |
| Airports - Airport Buildings | 7 |
| Armed Forces - Soldiers | 200 |
| Bank Facilities | 4 |
| Bank Facilities - Bank Buildings | 9 |
| Beverage Processing Plants | 0 |
| Beverage Processing Plants - Breweries | 32 |
| Brotherhoods | 7 |
| Brotherhoods - Monasticism and Religious Orders | 3 |
| Buildings | 2265 |
| Buildings - Auditoriums | 8 |
| Buildings - Church Buildings | 222 |
| Buildings - Civic Centers | 1 |
| Buildings - Civic Centers - Arts Facilities | 3 |
| Buildings - Civic Centers - Arts Facilities - Theaters | 38 |
| Buildings - Clubhouses | 62 |
| Buildings - Commercial Buildings | 138 |
| Buildings - Commercial Buildings - Bank Buildings | 13 |
| Buildings - Commercial Buildings - Barbershops | 9 |
| Buildings - Commercial Buildings - Hospitals | 51 |
| Buildings - Commercial Buildings - Restaurants | 31 |
| Buildings - Commercial Buildings - Stores, Retail | 186 |
| Buildings - Dwellings | 257 |
| Buildings - Dwellings - Apartment Houses | 6 |
| Buildings - Dwellings - Housing, Single Family | 413 |
| Buildings - Farm Buildings | 39 |
| Buildings - Farm Buildings - Barns | 25 |
| Buildings - Garages | 7 |
| Buildings - Garages - Parking garages | 0 |
| Buildings - Pavilions | 3 |
| Buildings - Public Buildings | 205 |
| Buildings - Public Buildings - Courthouses | 19 |
| Buildings - Public Buildings - Fire Stations | 13 |
| Buildings - Public Buildings - Hospitals | 4 |
| Buildings - Public Buildings - Jails | 8 |
| Buildings - Public Buildings - Library Buildings | 52 |
| Buildings - Public Buildings - Municipal Buildings | 2 |
| Buildings - Public Buildings - Municipal Buildings - City Hall | 0 |
| Buildings - Public Buildings - Public Baths | 8 |
| Buildings - Sport Facilities | 114 |
| Buildings - Sport Facilities - Arenas | 17 |
| Buildings - Sport Facilities - Bowling Alleys | 1 |
| Buildings - Transportation Buildings | 9 |
| Buildings - Transportation Buildings - Airport Buildings | 4 |
| Burials | 31 |
| Burials - Cemeteries | 70 |
| Carriers | 1 |
| Carriers - Postal Service | 18 |
| Christian Communities | 11 |
| Christian Communities - Monasticism and Religious Orders | 1 |
| Contests | 71 |
| Contests - Beauty Contests | 6 |
| Contests - Drilling Contests | 11 |
| Disasters | 39 |
| Disasters - Fires | 26 |
| Disasters - Fires - Arson | 1 |
| Disasters - Fires - Forest Fires | 1 |
| Disasters - Fires - Mine Fires | 2 |
| Disasters - Industrial Disasters | 0 |
| Disasters - Mine Accidents | 2 |
| Disasters - Natural Disasters | 7 |
| Earth Science - Geology | 23 |
| Earthwork | 13 |
| Earthwork - Dams | 38 |
| Education | 596 |
| Education - Education, Elementary | 15 |
| Education - Education, Secondary | 10 |
| Education - Postsecondary Education | 4 |
| Education - Postsecondary Education - Education, Higher | 891 |
| Engineering | 44 |
| Engineering - Surveying | 28 |
| Engines | 40 |
| Engines - Pumping Machinery | 6 |
| Ethnology | 1 |
| Ethnology - America | 1 |
| Ethnology - America - Indians | 23 |
| Ethnology - Ethnic Groups | 5 |
| Ethnology - Ethnic Groups - Minorities | 5 |
| Excavation | 5 |
| Excavation - Dredging | 22 |
| Fire Department - Officials and Employees | 8 |
| Fire Department - Officials and Employees - Fire Fighters | 19 |
| Fire Department - Officials and Employees - Fire Fighters - Forest Fire Fighters | 1 |
| Fire Department - Officials and Employees - Fire Fighters - Volunteer Fire Fighters | 5 |
| Fire Extinction | 0 |
| Food Service | 15 |
| Food Service - Restaurants | 2 |
| Forest Products Industry | 20 |
| Forest Products Industry - Lumbering | 36 |
| Forest Products Industry - Lumbering - Logging | 25 |
| Forest Products Industry - Lumbering - Logging - Clear cutting | 1 |
| Forest Products Industry - Lumbering - Logging - Log Transportation | 10 |
| Forest Products Industry - Lumbering - Logging - Log Transportation - Log Driving | 3 |
| Foundries | 30 |
| Geography | 78 |
| Geography - Maps | 185 |
| Harbors | 75 |
| Harbors - Docks | 111 |
| Health Facilities | 2 |
| Health Facilities - Hospitals | 3 |
| Historic Sites | 37 |
| Historic Sites - Historic Districts | 13 |
| Historic Sites - Historic Mines | 245 |
| Historic Sites - Historical Markers | 31 |
| Historic Sites - Memorials | 12 |
| History, Modern - 20th Century | 82 |
| History, Modern - 20th Century - World War, 1914 - 1918 | 15 |
| History, Modern - 20th Century - World War, 1939 - 1945 | 4 |
| Human Settlements | 340 |
| Human Settlements - Cities and Towns | 666 |
| Human Settlements - Cities and Towns - Company Towns | 87 |
| Human Settlements - Cities and Towns - Villages | 13 |
| Hydraulic Machinery | 6 |
| Hydraulic Machinery - Water - Wheels | 0 |
| Industrial Relations | 0 |
| Industrial Relations - Labor Disputes | 3 |
| Industrial Relations - Labor Disputes - Strikes and Lockouts | 37 |
| Industries | 103 |
| Industries - Service Industries | 15 |
| Industries - Service Industries - Barbershops | 1 |
| Industries - Service Industries - Hospitality Industry | 38 |
| Industries - Service Industries - Hospitality Industry - Bars (drinking establishments) | 24 |
| Industries - Service Industries - Hospitality Industry - Boardinghouses | 1 |
| Industries - Service Industries - Hospitality Industry - Hotels | 40 |
| Industries - Service Industries - Hospitality Industry - Taverns (inns) | 6 |
| Inland Navigation | 1 |
| Inland Navigation - Canals | 33 |
| Labor Movements | 133 |
| Labor Movements - Labor Unions | 30 |
| Landforms | 6 |
| Landforms - Islands | 6 |
| Local Transit | 2 |
| Local Transit - Street - Railroads | 9 |
| Locomotion | 10 |
| Locomotion - Boats and Boating | 78 |
| Locomotion - Boats and Boating - Sailboats | 3 |
| Locomotion - Boats and Boating - Workboats | 32 |
| Locomotion - Boats and Boating - Workboats - Tugboats | 14 |
| Loggers - Dwellings | 0 |
| Loggers - Dwellings - Lumber Camps | 24 |
| Manners and Customs | 209 |
| Manners and Customs - Clothing and Dress | 667 |
| Manners and Customs - Fairs | 12 |
| Manners and Customs - Festivals | 217 |
| Manners and Customs - Recreation | 187 |
| Manners and Customs - Recreation - Family Recreation | 13 |
| Manners and Customs - Recreation - Outdoor Recreation | 147 |
| Manners and Customs - Recreation - Outdoor Recreation - Camping | 23 |
| Manners and Customs - Recreation - Outdoor Recreation - Cycling | 7 |
| Manners and Customs - Recreation - Play | 10 |
| Manners and Customs - Recreation - Sports | 54 |
| Manners and Customs - Recreation - Sports - Aquatic Sports | 5 |
| Manners and Customs - Recreation - Sports - Aquatic Sports - Canoes and Canoeing | 1 |
| Manners and Customs - Recreation - Sports - Aquatic Sports - Fishing | 22 |
| Manners and Customs - Recreation - Sports - Ball Games | 17 |
| Manners and Customs - Recreation - Sports - Ball Games - Baseball | 18 |
| Manners and Customs - Recreation - Sports - Ball Games - Basketball | 113 |
| Manners and Customs - Recreation - Sports - Ball Games - Football | 30 |
| Manners and Customs - Recreation - Sports - Ball Games - Golf | 23 |
| Manners and Customs - Recreation - Sports - Winter Sports | 6 |
| Manners and Customs - Recreation - Sports - Winter Sports - Broomball | 3 |
| Manners and Customs - Recreation - Sports - Winter Sports - Hockey | 147 |
| Manners and Customs - Recreation - Sports - Winter Sports - Skating | 9 |
| Manners and Customs - Recreation - Sports - Winter Sports - Skis and Skiing | 24 |
| Manners and Customs - Recreation - Sports - Winter Sports - Skis and Skiing - Cross-Country Skiing | 12 |
| Manners and Customs - Recreation - Sports - Winter Sports - Skis and Skiing - Downhill Skiing | 2 |
| Manners and Customs - Recreation - Sports - Winter Sports - Snowmobiling | 2 |
| Manners and Customs - Recreation - Sports - Winter Sports - Snowshoes and Snowshoeing | 2 |
| Manners and Customs - Recreation - Wildlife-Related Recreation | 9 |
| Manners and Customs - Recreation - Wildlife-Related Recreation - Hunting | 33 |
| Manpower | 13 |
| Manpower - Labor | 367 |
| Manpower - Labor - Skilled Labor | 219 |
| Manpower - Labor - Unskilled Labor | 10 |
| Manufacturing Process | 100 |
| Manufacturing Process - Mills and Millwork | 210 |
| Manufacturing Process - Mills and Millwork - Saw Mills | 78 |
| Mass Media | 11 |
| Mass Media - Newspapers | 17 |
| Metal Trade | 18 |
| Metal Trade - Copper Industry and Trade | 251 |
| Metal Trade - Copper Industry and Trade - Copper Mines and Mining | 1787 |
| Metal Trade - Iron Industry and Trade | 1 |
| Metal Trade - Iron Industry and Trade - Iron Mines and Mining | 41 |
| Military Engineering | 4 |
| Military Engineering - Fortification | 0 |
| Military Structures | 21 |
| Military Structures - Armories | 5 |
| Miners | 22 |
| Miners - Copper Miners | 218 |
| Miners - Gold Miners | 1 |
| Miners - Iron Miners | 6 |
| Musical Groups | 79 |
| Natural Resources | 50 |
| Natural Resources - Forests and Forestry | 44 |
| Natural Resources - Mines and Mineral Resources | 208 |
| Natural Resources - Mines and Mineral Resources - Copper Mines and Mining | 93 |
| Natural Resources - Mines and Mineral Resources - Gold Mines and Mining | 0 |
| Natural Resources - Mines and Mineral Resources - Iron Mines and Mining | 6 |
| Nature Conservation | 0 |
| Nature Conservation - Lake Conservation | 0 |
| Nature Conservation - Plant Conservation | 7 |
| Nature Conservation - Wildlife Conservation | 12 |
| Parks | 38 |
| Parks - National Parks and Reserves | 3 |
| Peace Officers | 7 |
| Peace Officers - Police | 17 |
| Performing Arts | 20 |
| Performing Arts - Theater | 31 |
| Persons | 3487 |
| Persons - Immigrants | 40 |
| Power-Plants | 13 |
| Power-Plants - Fossil Fuel Power Plants | 6 |
| Power-Plants - Steam Power Plants | 2 |
| Protected Areas | 1 |
| Protected Areas - National Parks and Reserves | 1 |
| Public Works - Public Buildings | 2 |
| Public Works - Public Buildings - Courthouses | 0 |
| Public Works - Public Buildings - Fire Stations | 1 |
| Public Works - Public Buildings - Jails | 1 |
| Public Works - Public Buildings - Library Buildings | 2 |
| Public Works - Public Buildings - Municipal Buildings | 0 |
| Public Works - Public Buildings - Municipal Buildings - City Hall | 0 |
| Public Works - Public Buildings - Public Baths | 0 |
| Railroad Companies | 53 |
| Railroads - Buildings and Structures | 42 |
| Railroads - Buildings and Structures - Railroad Stations | 28 |
| Railroads - Buildings and Structures - Roundhouses (Railroads) | 13 |
| Railroads - Cars | 82 |
| Recreation Area | 16 |
| Recreation Area - Resorts | 11 |
| Retail Trade | 0 |
| Retail Trade - Stores, Retail | 20 |
| Reunions | 6 |
| Reunions - Class Reunions | 15 |
| Rock Excavation | 4 |
| Rock Excavation - Quarries and Quarrying | 13 |
| Scenic Views - Scenic Byways | 22 |
| Seasons | 89 |
| Seasons - Winter | 836 |
| Seasons - Winter - Winter Storms | 6 |
| Seasons - Winter - Winter Storms - Blizzards | 1 |
| Seasons - Winter - Winter Storms - Ice Storms | 0 |
| Ships | 165 |
| Ships - Ice Breaking Vessels | 4 |
| Ships - Passenger Ships | 30 |
| Ships - Passenger Ships - Ferries | 13 |
| Ships - Passenger Ships - Ferries - Train Ferries | 1 |
| Ships - Sailing Ships | 4 |
| Ships - Sailing Ships - Sailboats | 3 |
| Ships - Shipbuilding Industry | 3 |
| Sign and Signboards | 66 |
| Sign and Signboards - Historical markers | 25 |
| Smelting | 73 |
| Societies | 74 |
| Societies - Church Societies | 6 |
| Societies - Cooperative Societies | 2 |
| Societies - Friendly Societies | 1 |
| Societies - Labor Unions | 0 |
| Sports Personnel | 22 |
| Sports Personnel - Athletes | 58 |
| Sports Personnel - Athletes - Boxing | 1 |
| Sports Personnel - Athletes - Wrestling | 1 |
| Storms | 4 |
| Storms - Winter Storms | 0 |
| Storms - Winter Storms - Blizzards | 0 |
| Storms - Winter Storms - Ice Storms | 0 |
| Street Cleaning | 4 |
| Street Cleaning - Snow Removal | 68 |
| Sugar - Maple Sugar | 14 |
| Television Broadcasting | 3 |
| Television Broadcasting - Television Stations | 0 |
| Transportation | 176 |
| Transportation - Air Travel | 36 |
| Transportation - Automotive | 338 |
| Transportation - Bridges | 123 |
| Transportation - Railroads | 336 |
| Transportation - Railroads - Street - Railroads | 31 |
| Transportation - Roads | 155 |
| Victims | 2 |
| Victims - Disaster Victims | 0 |
| Victims - Disaster Victims - Child Disaster Victims | 5 |
| Water | 279 |
| Water - Lakes | 454 |
| Water - Rivers | 43 |
| Water - Rivers - Waterfalls | 22 |
| Wildlife Utilization | 26 |
| Wildlife Utilization - Fisheries | 9 |
| Woody Plants | 21 |
| Woody Plants - Trees | 711 |
