Latvian Historical News Sources
Latvian Newspapers (Latvian National Digital Library)
Periodicals Section: limiting the results by genre (“newspaper”) yields hundreds of titles (in Latvian, German, and Russian) from the 19th to the 20th century.
Newspapers of Latvia: a selection of 100 titles, organized alphabetically and by place of publication.
Audio
Historical Sound Recordings Collection (Latvian National Digital Library)
Selecting the genre "Speeches" yields 52 sound recordings of prominent historical figures from the 1930s, radio broadcasts about various cultural events, and a news broadcast from 1942.
Visual
TBD
Online catalogs & bibliographies
TBD