RCA Victor 7-TR-2, 7-TR-3 Manual : RCA : Free Download, Borrow, and Streaming : Internet Archive

DESIGN-ED Presents: Learn x Design 2015 v3 by DESIGN-ED - Issuu

RCA transistor manual : Radio Corporation of America : Free

Click here - Alternation Journal

Catalogue of Victor Records (1930) : RCA Victor Division : Free

7-TR-3 'The Judicial' R-Player RCA Victor International, Montreal

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7-TR-2 'The Congressional' R-Player RCA Victor International

The almost complete 78 rpm record dating guide (II) : Barr, Steven

Complete Catalog of Victor Records (1939-1940) : RCA Victor