Category:Environment

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Library cataloging and classification
Dewey Decimal Classification: 354
Library of Congress Classification: GE
Universal Decimal Classification: 502/504

Subcategories

This category has the following 41 subcategories, out of 41 total.

*

A

C

D

D cont.

E

G

H

M

P

R

S

T

U

Μ

Σ