Yiddish Resources
Ku Buch https://beta.hebrewbooks.org/45950
Several sites about general resources for Yiddish Studies
https://yiddishinstitute.org/yiddish-resources/
For more, see Bibliographic Resources (which include online resources).
National Yiddish Book Center:
https://www.yiddishbookcenter.org/
· NYBC Digital Yizkor-bukh Collection:
Wikipedia:
Dictionaries:
Harkavy 1910:
Harkavy 1925:
Groyser verterbukh (4 volumes, alef only)
Comprehensive Yiddish-English Dictionary
The Online Dictionary of Polish Borrowings in Yiddish
· Online Dictionary that allows you to enter a word or phrase or fragment to search (English, Yiddish, or transliterated Yiddish)