Cassette tape
(soundcassette)
　

AC

CD
(sounddisc)
　

AP

map
_

MAP

Cassette video tape
(videocassette)

VC

digital versatile disc

DVD

Video CD
(video CD)

VCD

film reel
　

ML

Floppy Disk (5 1/4")

　

CF

Floppy Disk (3 1/2")

　

DF

CD- ROM

DR

Microfiche
_

MF

Microfilm reel

MF

Group teaching materials
(kit)
　

KT

Silent slide show
(Film slide)

SL

Audio
slide

SO

Stereoscope
slide

SS

Filmstrip
_

FS

Transparent image
(Transparency)

TR

wall chart
(photoprint)

CW

photo
_

PP

Sound X
-ray
　

XO

Slicence X- ray
　

XL