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This subject index presents the categories assigned in the 1940s to make it possible to browse the FSA/OWI photographs by what they depict. The agency used a decimal number classification scheme. This section of the subject index presents the categories by their classification numbers. The classification numbers retrieve photos that are filed under the classification number in the FSA/OWI file of photographic prints. An alphabetical listing of the words associated with the classification numbers is also available.
| Classification # | Subject |
|---|---|
| .5 | Transportation |
| .502 | Walking |
| .503 | Hitchhiking |
| .505 | Animal Drawn Vehicles |
| .5052 | Riding Horses |
| .5054 | Pack Horses |
| .5056 | Horses, Donkeys |
| .5058 | Sleighs, Sledges, Sleds |
| .5063 | Oxen |
| .51 | Automobiles |
| .5104 | Details, Licences, Decorations |
| .5106 | Car Pooling |
| .5107 | Parking, Parking Lots |
| .511 | Garages |
| .5112 | Garages, Storage and Repair |
| .5117 | Accidents, Wrecks |
| .512 | Taxicabs |
| .5133 | Migrants' Cars |
| .5138 | Moving Household Goods |
| .514 | Trucks |
| .51435 | Trucks Transporting People |
| .5144 | Truck Terminals |
| .5145 | Loading and Unloading |
| .5147 | On the Road |
| .51476 | At Service Stations |
| .5148 | Truck Repairs at Garages |
| .51485 | Truck Drivers |
| .515 | Busses |
| .51525 | Passengers in Busses |
| .51528 | Waiting for Busses, Boarding |
| .5153 | Bus Terminals |
| .51534 | People at Terminals |
| .51536 | Drivers, Dispatchers |
| .51537 | Bus Garages, Repairs |
| .5155 | Highway Markers, Signposts, Toolgates |
| .51555 | Tollgates |
| .5157 | Road Conditions, Ferries |
| .51576 | Ferries |
| .516 | Street Cars |
| .5164 | Passengers |
| .5165 | Conductors, Motormen |
| .5167 | Carbarns, Terminals |
| .5168 | Maintenance, Repairs |
| .517 | Subways and Elevated Trains |
| .5177 | People Going to and From Work |
| .518 | Commuters |
| .52 | Railroads |
| .5203 | Railroad Stations |
| .520322 | Chicago Union Station |
| .52035 | People in Large Stations |
| .52037 | People on Platforms |
| .5204 | Station Personnel |
| .52045 | Baggage Service |
| .5205 | Passengers |
| .5207 | Train Crews |
| .5209 | Express Handling |
| .521 | Express and Freight Handling |
| .5213 | Freight Trains and Cars |
| .52131 | Train Crewss, Operations |
| .52134 | Refrigerator Cars, Icing |
| .52137 | Tank Cars |
| .521138 | Ore Cars |
| .5214 | Locomotives |
| .5215 | Railroad Yards |
| .52151 | Yard Operations |
| .52152 | Repairs at the Riptrack |
| .52153 | Roundhouses |
| .52157 | Yard Offices |
| .52158 | Tracks, Bridges, Tunnels |
| .5216 | Signal Systems |
| .5217 | Railroad Maintenance |
| .5218 | Miscellaneous |
| .52186 | Railroad Workers |
| .52187 | Railroad YMCA, Accommodations |
| .52188 | Catching a Ride |
| .52189 | Miscellaneous |
| .522 | Water Transportation |
| .5225 | Merchant Seamen |
| .52266 | Merchant Marine Training |
| .523 | Inland Shipping |
| .5231 | Locks |
| .5232 | Towboats |
| .5233 | Barges |
| .5234 | Loading and Unloading |
| .52342 | Coal Barges, Loading Operations |
| .52344 | Ore Barges, Loading Operations |
| .52346 | Grain Boats, Loading Operations |
| .5237 | Ferry Boats |
| .524 | Air Transportation |
| .5242 | Passengers |
| .52445 | Training Civilian Pilots |
| .52453 | Parachutes |
| .526 | Airports |
| .5261 | Buildings |
| .52615 | Tickets, Baggage |
| .5262 | Control, Communicating |
| .5263 | Ground Crews |
| .52633 | Training Maintenance and Ground Crews |
| .527 | Travelers' Accommodations, Hotels |
| .53 | Agriculture |
| .5304 | Clearing Land |
| .5307 | Irrigation |
| .53075 | Reservoirs, Stock Water Dams |
| .531 | Crops |
| .53102 | Seed |
| .53104 | Working Cultivated Land |
| .5311 | Plowing |
| .5312 | Fertilizing |
| .5313 | Greenhouses |
| .53144 | Cabbages |
| .53145 | Cauliflowers |
| .53146 | Celery |
| .53153 | Lettuce |
| .53157 | Spinach |
| .53161 | Sugar Beets |
| .53162 | Carrots |
| .53164 | Onions |
| .5317 | Potatoes |
| .531702 | Planting |
| .531704 | Projecting Agricultural Diseases |
| .531706 | Harvesting |
| .531708 | Grading, Packing |
| .53171 | Marketing |
| .53172 | Storage |
| .5318 | Beans |
| .53186 | Peas, Pea Vines |
| .531866 | Pea Pickers' Camp |
| .53188 | Soy Beans |
| .5319 | Gourd Like Fruits |
| .532 | Melons |
| .5324 | Grapes |
| .5325 | Peppers |
| .5326 | Tomatoes |
| .5327 | Small Vegetable Gardens |
| .53273 | Planting, Seeding |
| .5328 | Victory garens |
| .53285 | Victory Gardeners |
| .533 | Berries |
| .5332 | Cranberries |
| .5337 | Strawberries |
| .5339 | Orchards |
| .534 | Apples |
| .5342 | Pears |
| .5344 | Peaches |
| .53449 | Citrus Fruits |
| .5345 | Grapefruit |
| .53486 | Pineapples |
| .535 | Grain |
| .5351 | Barley |
| .5353 | Corn |
| .53531 | Planting |
| .53532 | Cultivating |
| .53535 | Harvesting |
| .53536 | Husking, Shelling |
| .53539 | Storage, Corn Cribs |
| .5355 | Oats |
| .5356 | Rice |
| .5358 | Wheat |
| .53584 | Combines |
| .53586 | Sampling, Inspecting |
| .537 | Grasses, Hay, Sorghum |
| .5372 | Cotton |
| .53708 | Baling Hay |
| .53715 | Sorghum |
| .53717 | Milo |
| .53718 | Kaffir Corn, Sudan Grass |
| .5372 | Cotton |
| .537201 | Planting Cotton |
| .537202 | Cultivating Cotton |
| .537206 | Picking Cotton |
| .537208 | Cotton Choppers and Pickers |
| .537209 | Bringing in from the Field |
| .53721 | Weighing, Recording |
| .537211 | Trasnporting to Gin or Market |
| .537214 | Storage |
| .53725 | Guayule |
| .53727 | Hops |
| .5374 | Sugar Cane |
| .537404 | Sugar Cane Harvesting |
| .537406 | Lunch |
| .5375 | Tobacco |
| .537501 | Planting |
| .537502 | Cultivating, working Topping |
| .537506 | Harvesting |
| .537508 | Barns, Curing, Stripping |
| .537512 | Transporting to Market |
| .537514 | Auctioning, Marketing |
| .5377 | Coffee |
| .5378 | Peanuts |
| .538 | Commercial Flower Gardening |
| .53853 | Pests |
| .53855 | Plant Quarantine, Inspection |
| .539 | Feed |
| .54 | Livestock |
| .541 | Dairy Farms |
| .54105 | More Milk for Victory |
| .5412 | Dairy Cattle |
| .5413 | Breeding |
| .54134 | Calves |
| .5414 | Milking, Shipping Milk |
| .54157 | Keeping Good Milk Good |
| .542 | Butter |
| .543 | Poultry, Chickens |
| .54305 | Victory on an Egg Shell |
| .5431 | Buildings |
| .5436 | Eggs |
| .5437 | Turkeys |
| .5439 | Other Fowl |
| .544 | Beef Cattle |
| .5442 | Round Up |
| .5443 | Branding, Dehorning, Castrating |
| .5444 | Herding |
| .5445 | Cow Hands, Cowboys |
| .5447 | Disease, Care |
| .5448 | Shipping, Marketing |
| .545 | Goats |
| .5455 | Shearing Goats |
| .546 | Sheep |
| .5463 | Herding |
| .5464 | Lambing and Shearing |
| .5467 | Shearing |
| .5468 | Shipping, Marketing |
| .547 | Hogs |
| .5478 | Slaughtering |
| .548 | Horses, Mules, Donkeys |
| Classification # | Subject |
|---|---|
| .54801 | Round Up, Branding |
| .54802 | Horse Breeding |
| .54804 | Breeding and Training Farm |
| .54812 | Rabbits |
| .54815 | Dog Kennels |
| .54817 | Bee Keeping |
| .54818 | Veterinary Medicine |
| .54825 | Building and Repairing Fences |
| .5484 | Agricultural Machinery |
| .5485 | Maintaining Farm Machinery |
| .54854 | Homemade Tools and Equipment |
| .5486 | Farm Planning and Accounting |
| .5487 | Agricultural Training |
| .5488 | Miscellaneous Farm Work |
| .55 | Lumbering, Forest Products |
| .551 | Nurseries, Planting Trees |
| .552 | Lumbering |
| .553 | Lumberjacks, Lumbercamps |
| .5537 | Hauling Logs |
| .5538 | Pulpwood Drive |
| .55385 | Booming Operations |
| .55387 | Sluicing Operations |
| .554 | Sawmills |
| .55445 | Women Sawmill Workers |
| .555 | Tie Cutting Camp |
| .556 | Firewood |
| .5573 | Maple Syrup |
| .5576 | Turpentine |
| .5587 | Fur Trapping and Trappers |
| .55875 | Fur Auction |
| .56 | Fishing |
| .5607 | Hauling in the Catch |
| .561 | Fishermen in their Boats |
| .562 | Life on Board |
| .563 | Maintenance |
| .564 | Unloading, Dock Scenes |
| .5647 | Indians, Celilo Falls, Oregon |
| .565 | Crabs, Oysters |
| .57 | Mines |
| .57195 | Chrome |
| .572 | Coal |
| .5721 | Small Private Mines, "Gopher Hole" Mines |
| .57225 | Safety Operations |
| .5723 | Blasting and Drilling |
| .5725 | Loading and Transport |
| .57254 | Machine Shop |
| .57258 | Tipples |
| .5726 | Breaking and Cleaning Plants |
| .57273 | Miners |
| .573 | Copper |
| .57303 | Drilling, Blasting, Mucking |
| .57305 | Transporting Ore to Mill |
| .5731 | Chromite |
| .5733 | Gold |
| .57332 | Prospecting |
| .57339 | Abandoned Gold Mines |
| .574 | Iron |
| .5742 | Prospecting |
| .575 | Lead |
| .5751 | Manganese |
| .57515 | Mercury |
| .57541 | Sulphur |
| .57543 | Tungsten |
| .576 | Petroleum, Oil Wells |
| .578 | Quarries |
| .5788 | Gravel |
| .58 | Technical Research |
| .585 | Business: Banks, Office, Stockrooms |
| .58505 | Management |
| .58507 | Small Business Management |
| .5855 | Executives |
| .586 | Office Workers |
| .5865 | Government Office Workers |
| .5868 | Office Machines |
| .59 | Engineering |
| .591 | Surveying |
| .5913 | Land Clearing, Earth Moving |
| .592 | Road Construction |
| .5922 | Alcan Highway |
| .5928 | City Streets |
| .5933 | Bridges |
| .5934 | Dams and Lock Construction |
| .59343 | Concretework |
| .59344 | Workmen |
| .59345 | Stock Water Dams and Other Water Controls |
| .5935 | Irrigation |
| .5936 | Water Supply |
| .5937 | Sewers |
| .5938 | Oil Pipeline Construction |
| .594 | Architecture |
| .5945 | Building Materials |
| .595 | Construction Projects |
| .59502 | Aerial Views |
| .59505 | Washington, D.C. (Official Buildings) |
| .59506 | Washington, D.C. (War Emergency Buildings) |
| .5959 | Urban Alterations |
| .596 | Construction of Small Houses |
| .596054 | Greenbelt, Maryland |
| .596055 | Greenhills, Ohio & Greendale, Wisconsin |
| .59617 | Foundations |
| .5962 | Masonry |
| .59625 | Rammed Earth Construction |
| .59627 | Adobe Houses |
| .5963 | Carpentry, Log Houses |
| .59685 | Doors, Windows |
| .59687 | Screen Doors and Windows |
| .597 | Farm Buildings and Grounds |
| .59709 | Well Drilling |
| .5971 | Building Trades |
| .5974 | Carpentry |
| .59793 | Painting |
| .598 | Prefabricated Houses |
| .5981 | Stockpiles, Pre-cutting, Pre-casting, Pre-assembly, Miscellaneous |
| .5982 | Delivery, Erection |
| .59835 | Privies |
| .5984 | Landscape Architecture |
| .5985 | Demolition, House Wrecking |
| .5987 | Moving Houses |
| .5989 | Miscellaneous Trades |
| .5995 | Training for Industrial Skills |
