Jewish Links of Interest to the Chareidisha Tzibur
Kisvei yadin from many seferim Including Gemara, Mishna, Tosefta, Rambam, Rashi, etc
Historic and Ancient Synagogues Around the World
Historical collection Ketuboth from around the world dating back to 1024
Fabulous link of Jewish Journals from pre-war europe. Scans of original pages 1806 -1938 (German)