Cancer -- Its Causes. Symptoms and Treatment: Giving the Results of Over Forty Years' Experience in the Medical Treatment of this Disease (Viewable/downloadable online for free):
https://archive.org/details/canceritscauses00jonegoog

The One Earth Herbal Sourcebook (by Dr. Alan Tillotson) has a brief but well written section comparing different approaches to cancer treatments as well as recommended herbal formulas:
www.amazon.com/The-One-Earth-Herbal-Sourcebook/dp/1575666170/

The Ayurvedic Records of Cancer Treatment by Dr. Vaidya Mana covers cancer from the Ayurvedic perspective:
http://www.ayurvedicclinic.net/books.htm

Herbal Medicine, Healing and Cancer by Donald Yance:
http://www.amazon.com/Herbal-Medicine-Healing-Cancer-Comprehensive/dp/0879839686/

Beating Cancer with Nutrition by Patrick and Noreen Quillin:
http://www.amazon.com/Beating-Cancer-Nutrition-book-CD/dp/096383729X

Treating Cancer with Herbs: An Integrative Approach by Michael Tierra
http://www.amazon.com/Treating-Cancer-Herbs-Integrative-Approach/dp/0914955934
https://archive.org/details/canceritscauses00jonegoog

The One Earth Herbal Sourcebook (by Dr. Alan Tillotson) has a brief but well written section comparing different approaches to cancer treatments as well as recommended herbal formulas:
www.amazon.com/The-One-Earth-Herbal-Sourcebook/dp/1575666170/

The Ayurvedic Records of Cancer Treatment by Dr. Vaidya Mana covers cancer from the Ayurvedic perspective:
http://www.ayurvedicclinic.net/books.htm

Herbal Medicine, Healing and Cancer by Donald Yance:
http://www.amazon.com/Herbal-Medicine-Healing-Cancer-Comprehensive/dp/0879839686/

Beating Cancer with Nutrition by Patrick and Noreen Quillin:
http://www.amazon.com/Beating-Cancer-Nutrition-book-CD/dp/096383729X

Treating Cancer with Herbs: An Integrative Approach by Michael Tierra
http://www.amazon.com/Treating-Cancer-Herbs-Integrative-Approach/dp/0914955934