Category:Unidentified subjects

• ► Unidentified subjects by country‎ (137 C)

*

• ► Stamps to be categorised by subject‎ (10 C, 126 F)

A

• ► Unidentified art‎ (10 C, 114 F)

B

• ► Unidentified brands‎ (6 C, 3 F)
• ► Brick walls in unidentified bond‎ (16 F)

C

• ► Media needing chemical classification‎ (85 F)
• ► Unidentified Christian motifs‎ (1 C)
• ► Unidentified clouds‎ (62 F)
• ► Unidentified computers‎ (46 F)

D

• ► Unidentified diagrams‎ (6 C, 1883 F)
• ► Unidentified diseases and disorders of plants‎ (1 C, 49 F)

E

• ► Unidentified electronic devices‎ (7 C, 1 F)
• ► Unidentified events‎ (4 C, 15 F)

F

• ► Unidentified food‎ (17 C, 285 F)

I

• ► Unidentified inscriptions‎ (3 C, 8 F)

L

• ► Unidentified language‎ (3 F)
• ► Unidentified letters‎ (151 C, 64 F)
• ► Unidentified locations‎ (58 C, 838 F)

M

• ► Unidentified maps‎ (2 C, 6238 F)
• ► Unidentified mascots‎ (1 C)
• ► Unidentified mathematics‎ (6 C, 15 F)

O

• ► Unidentified objects‎ (39 C, 403 F)
• ► Unidentified organisms‎ (12 C, 72 F)

P

• ► Unidentified people‎ (26 C, 3 P, 2278 F)

S

• ► Unidentified subjects related to sports‎ (2 C)
• ► Unidentified structures‎ (8 C, 11 F)
• ► Unidentified symbols‎ (4 C, 80 F)

U

• ► Unidentified files concerning culture‎ (58 F)

V

• ► Unidentified vacuum tubes‎ (empty)