Subject Guides: ESOL & Applied Linguistics: ENCYCLOPEDIAS

Online Dictionaries:

Oxford Reference Subject-specific, English-language dictionaries, bilingual dictionaries, encyclopedias and other reference tools.
Oxford English Dictionary OED is the guide to the meaning, history, and pronunciation of 600,000 words— past and present—from across the English-speaking world.
Oxford Reference E-Encyclopedias and Dictionaries (NYCCT) Specialized encyclopedias and dictionaries.

Online Encyclopedias:

Gale Virtual Reference Library (Gale)

Specialized online reference books covering a wide range of disciplines, including arts, biography, business, education, history, law, literature, medicine, multicultural studies, religion, science, and social science.