Among the Sivertone suppliers were over 30 radio brand manufacturers including King, Colonial, Stewart-Warner, Air King, Emerson, International Kadette, Wilcox-Gay, Zenith, Arvin, Majestic International, Case, RCA and Admiral to name but a few. The book is printed in a sepiatone-like format and includes an informative historical preface concerning the origins of both Sears and the Silvertone brand, manufacturer source code table (allows identification of manufacturer), in addition to a full model cross reference matrix including tube & band counts, variations, cabinet materials and colors, manufacturer (where known) and current market values for all models and variations.
