Analysis of information sources in references of the Wikipedia article "Etree" in English language version.
Many of these songs and speeches and musics, held at institutions such as the Smithsonian, the Library of Congress, the University of California, Harvard, and the British Museum, had been dormant for more than a century. [...] A curator named Carlene Stephens had overseen the collection for nearly thirty years without having heard any of the recordings or, in some cases, even knowing what the disks contained.
Many of these songs and speeches and musics, held at institutions such as the Smithsonian, the Library of Congress, the University of California, Harvard, and the British Museum, had been dormant for more than a century. [...] A curator named Carlene Stephens had overseen the collection for nearly thirty years without having heard any of the recordings or, in some cases, even knowing what the disks contained.
