Resources

General online archives

1. Google Books
2. Archive.org
3. Google Scholar

Databases

1. NYPL: Articles & Databases
2. CSI Library: Search Library Resources

Dictionaries

1. Urban Dictionary
2. Oxford English Dictionary (OED) Online : CSI Library login required
3. Indo-European Etymological Dictionaries Online : NYPL login required
4. Dictionary of Old English (DOE)