The Stinson label also continued to release new recordings by many major folk, blues and jazz musicians during the 1950s and early 1960s, including Pete Seeger, Ewan MacColl, Cisco Houston, Muggsy Spanier, The Duke of Iron, Carlos Montoya, Sidney Bechet, and Bob Gibson, as well as some recordings made under the agreement with Asch. Among the releases were an influential series of compilation albums in the "American Folksay" series. From the early 1950s, the company was run by Herbert Harris' son Robert, and opened a second retail branch in Los Angeles. Herbert Harris died in 1956, and under the ownership of his widow, Sonia Harris, the company was run by his son-in-law, Jack Kall (1922-1989). Based in Los Angeles from the late 1950s, the company released many folk albums. It continued to issue recordings until the 1990s. A collection of master discs of Woody Guthrie recordings from the mid-1940s, originally held by Robert Harris' widow, was rediscovered in 2007, and reissued on CD as a box set, "My Dusty Road ". In June 2019, Stinson was acquired by Smithsonian Folkways.