Category:Classification systems by subject
Wikimedia Commons has media related to Classification systems by subject.
Subcategories
This category has the following 35 subcategories, out of 35 total.
A
C
E
G
L
M
P
- Patent classifications (9 P)
- Pulitzer Prizes by category (28 P)
R
S
T
- Travel classes (9 P)
V
W
Pages in category "Classification systems by subject"
The following 32 pages are in this category, out of 32 total. This list may not reflect recent changes.
A
- Airport classification (Japan)
- Airspace class
- Airspace class (United States)
- Availability classes
C
- Cable categories
- Cabling classes
- Cleanroom classification
F
- Classifications of fairies
- Fax classes
- Fire extinguisher classification
- Firefighting foam classes
H
- Henge classes
- List of historical classifications
I
- Classes of IP addresses
L
- Landslide classification
- Lever classes
M
- Misdemeanor classes
R
- Relic classes
- Restaurant class
S
- Selective Service System classification
- Shipment categories
- Classifications of snow
- Classification of swords
T
- Transposable element classification
U
- UCI race classifications
- Unintentional radiator classes
- Classes of United States senators
- USB device class
W
- Whitewater classification