Some of you may know about this; others might want to know.
From the Scout Report;
Internet Archive: 78rpm Records Digitized by George Blood, L.P.
The Internet Archive recently unveiled this digitized collection of over
25,000 recordings from 78rpm records. First introduced in 1898, 78
revolutions per minute (rpm) records were especially popular between
1920 and the late 1950s and continued to be produced as late as the
1970s. This collection provides a glimpse into a range of music produced
in throughout the twentieth century, including big band music, polka,
gospel, country western, blues, novelty tunes, and much more. Visitors
are invited to browse this collection by Year (the earliest two records
in this collection are George P. Watson's "Sleep Baby Sleep" and "Medley
of Emmett's Yodels" from the year 1902), Topics & Subjects, Collection,
Creator, or Language. This collection includes both well-remembered
classics by artists such as Bing Crosby, Count Basie, and Judy Garland,
as well as a number of more obscure records. There are also a few
non-musical recordings, such as Yiddish language lessons and President
Franklin Delano Roosevelt addressing Congress in 1942.