DECIMAL CLASSIFICATION 
Cats 
Breeds 
Cats in art See also 758 Animal painting 
Cats in literature 
Essays, stories, etc. 
Other: rabbits, guinea pigs, elefants, etc. 
Fur farming . Fox, skunk, etc. farms. 
637 Dairy and dairy products 
I Milk 
II Economics 
I13 Dairy farms 
Description of individual farms 
Finances and accounts 
Expenses 
Returns 
Sale price 
Production and composition 
Choice of dairy cows 
Special food 
Milking 
Milk pails, milk stools, milking tube 
Artificial milkers 
Composition of milk 
Fat 
Lactose, milk sugar, lactin; galactin 
Casein 
Milk testing 
Creamometer Lactobutyrometer 
Galactometer Lactocrite 
Milk analysis 
Care of milk 
Bildings, dairies 
Installation, apparatus 
Refrigerating apparatus, milk cooler 
Heating apparatus 
Pasteurizers 
Receptacles Storage Milk pans 
Preservation 
Chilling 
Heating 
Pasteurizing 
Transportation and sale of milk 
Milk cars milk wagons, bottles, cans 
Lactodensimeter Lactoscepe 
[Lactometer Percent tube 
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