Sears and Roebuck (SR) Sears purchased Harmony in 1916 but sold it to a group of Harmony executives in 1940. Harmony continued to be the main supplierof Sears catalog guitars. From 1954 Danelectro became Sears largest electric guitar maker. [Source: Echo and Twang: Classic Guitar Music of the ’50s By Tony Bacon]

Sears catalogs

http://harmony.demont.net/catalogs.php

http://www.wishbookweb.com/

see Supertone, Silvertone, a Harmony Brand