United Kingdom
The portal Compact Memory comprises 500 Jewish newspapers and journals of the German speaking area of the years 1768–1938 and beyond. These periodicals represent the complete religious, political, social, literary and academic spectrum of the Jewish community and the "Science of Judaism", thus constituting a major source for the research on Judaism in the Modern Age."
"Historical Jewish Press is a rich resource compiled, maintained and continuously developed at the National Library of Israel. It is a library of Jewish newspapers published in various countries, languages, and time periods. The website displays newspapers in their original layout and in pdf form. Full-text search is also available for all content.
Jewish Historical Newspapers includes The American Hebrew & Jewish Messenger (1857-1922), The American Israelite (1854-2000), The Jerusalem Post (1932-2008), The Jewish Advocate (1905-1990), The Jewish Exponent (1887-1990).
The full run (1884–1948) of the Hungarian language Jewish literary-scholarly periodical Magyar Zsidó Szemle is available online.
Palestine Post/The Jerusalem Post backfile 1932-1988 makes the historical newspaper accessible online. Issues from 1933 to 1988 are also available on microfilm (MICFILM 3532) in the Woodruff Library. The Jerusalem Post continues to be published and is available online.
Yiddish Newspapers on Microfilm: Der Yidisher siṭizen = The Hebrew citizen (1893-? Boston); Der Teglikher herold Daily Jewish herald/ Ṿarhayṭ (1894-1905 New York); Daily Jewish press = Teglikhe presse (1898-? New York/Philadelphia); Nyu Yorḳer abend posṭ = N.Y. Jewish abend-post (1899-1901 New York); Idishe gazeṭen = Jewish gazette ([1874] 1876-1927 [1928] New York); Der Folḳsadṿoḳaṭ = Volksadvocat (1888- New York); Di Arbayter Tsaytung Arbeiter Zeitung = Workman's paper (1890-1902 New York); Der Yudisher herold = The Jewish herald (1890- New York); Das Abend-Blatt = Evening paper (1894-1902 New York).
Additional Yiddish newspapers: Di tsukunft = The Future (1892- New York); Oyfn shṿel = Oifn shvel (April-July 1975).
The Leo Baeck Institute New York's collection of newspapers and books the German-Jewish diaspora published throughout the twentieth century is accessible online.
The Union List of Digitized Jewish Historical Newspapers is continuously being updated. It includes the links to the portals where the newspapers' content is accessible.
Turning Over the Page of Time: Jewish Periodicals in Serbia, 1888--2006, is a publication by Biljana Albahari that lists the Jewish serials published in Serbian territory during the long twentieth century, showing the linguistic diversity of Jewish communities living in the region.
Related:
Jewish newspapers and topics related to the Jewish experience are searchable in the American newspaper collection of the Library of Congress, available from Chronicling America.