Dictation Disc Company (Label)

Complete Theory Review: 90 WPM - Dr. ...

Complete Theory Review: 80 WPM - Dr. ...

DDC Timing Record For Shorthand Typin...

Your Future In Shorthand: How To Deve...

Shorthand Dictation For Speed Buildin...

Key To Office Style Dictation: 80 WPM...

Business Letters: Record No. 1: Set N...

Business Letters: Record No. 15: Set ...

Business Letters: Record No. 7: Set N...

Dictation Disc Set No. 3: Business Le...

Dictation Disc Set No. 4: Business Le...

Dictation Disc Set No. 2: Business Le...

Dictation Disc Set No. 3: Business Le...

Dictation Disc Set No. 4: Business Le...

Dictation Disc Album No. 4 - No Artist

Dictation Disc Set 43 - Various

General Science - Louis A. Leslie

Shorthand Speed Measurement Record - ...

Album No. 2: Dictation Disc 70, 80, 9...

Brief Form & Phrase Letters - No Artist

Business Letters 90 WPM To 120 WPM - ...

Dictation Disc Set No. 43 Business Le...

Business Letters 60 WPM To 90 WPM - N...

Business Letters 70 WPM To 100 WPM - ...