Upanishads

Essentials of the Upanishads :

- Detailed essay on the Upanishads, with quotes and background information. Includes downloadable e-book of the Isa Upanishad.
Hinduwebsite: Upanishads Home Page :

- Presents original English translations of several Upanishads, writings, commentaries and essays on the philosophy of the Upanishads
An Introduction to the Upanishads :

- Translations of eleven of the principal Upanishads.
Kena Upanishad :

- An English translation of the Kena Upanishad (also known as the Talavakara Upanishad) by F.Max Mueller.
Upanishad :

- Isha, Katha, Kena, and Maitrayani Upanishads in HTML and Pdf format. Also a brief introduction to Upanishads.
The Upanishads :

- A translation of 11 Upanishads by Swami Nikhilananda.
The Upanishads :

- Introduction to the Upanishads with comments on individual Upanishads.
The Upanishads: Max Mueller :

- Complete text of Muellers' two volume Sacred Books of the East translation of the Upanishads.