-
505.
Silk industry
Subjects
Textile industry
-
506.
Sinking-funds
Subjects
AmortizationPublic debt
-
507.
Size of business enterprises
Subjects
Business enterprises
-
508.
Smithery
Subjects
-
509.
Social accounting
Subjects
Accounting
-
510.
Solar buildings
Subjects
Solar heatingBuildings
-
511.
Sound recording industry
Subjects
Music trade
-
512.
Specialty stores
Subjects
Retail stores
-
513.
Spinning
Subjects
Textile industry
-
514.
Spoons
Subjects
Flatware
-
515.
Steamboat lines
Subjects
Ocean travel
-
516.
Stereotomy
Subjects
Descriptive geometry
-
517.
Stickers
Subjects
Labels
-
518.
Stickers
Genre/Form
-
519.
Stock control
Subjects
-
520.
Stone buildings
Subjects
Buildings
-
521.
Stone-cutting
Subjects
StereotomyStoneBuilding stones
-
522.
Street-railroads
Subjects
RailroadsLocal transitUrban transportationElectric vehicles
-
523.
Structural frames
Subjects
Structural desing
-
524.
Structural iron
Subjects
Building materials
-
525.
Style manuals (Printing)
Subjects
Editing
-
526.
Sugar trade
Subjects
Sugarcane breedingFood industry
-
527.
Sugarcane
Subjects
-
528.
Sundials
Subjects
Clocks and watches
Last updated dated: 11/10/2025