Complete Herbal Handbook for Farm and Stable, Juliette De Bairacli-Levy, Faber and Faber Limited, Fourth Edition 1991.

Dr. Pitcairn's Complete Guide to Natural Health for Dogs and Cats, Richard H. Pitcairn, Susan Hubble Pitcairn

Herbs For Pets, Mary L. Wilff-Tilford, Gregory L. Tilford, BowTie Press.

Herbal Remedies for Dogs and Cats, Mary Wulff-Tilford and Gregory Tilford, Mountain Weed Publishing, 1997.

Botanical Safety Handbook, Ed. Michael McGuffin, et. al. American Herbal Products Association, CRC Press, 1997.

The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines, Ed. Mark Blumenthal, et. al., The American Botanical Council, Integrative Medicine Communications, 1998.

Materia Medica of Western Herbs for the Southern Hemisphere, Carole fisher, Gilian Painter, Janus, New Zealand, 1996.

The Encyclopedia of Popular Herbs: Your Complete Guide to the Leading Medicinal Plants, Robert S. McCaleb, et. al., Prima Publishing, 2000.

Fenugreek, The genus Trigonella, Edited by Georgios A. Petropoulos, Taylor & Francis Inc., 2002.

Herbs of Commerce, Michael McGuffin, John T. Kartesz, Albert Y. Leung and Arthur O. Tucker, American Herbal Products Association, 2000.

Herb Contraindications and Drug Interactions, Third Edition, Francis Brinker, N.D., Eclectic Medical Publications, 2001.

Higher Plants as Potential Sources of Galactogogues, Audrey S. Bingel and Norman R. Farnsworth, Economic and Medicinal Plant Research, Vol. 6, Academic Press, 1994.

PDR for Herbal Medicines, Second Edition, Joerg Gruenwald, PhD, et. al., Medical Economics Company, Inc., 2000.

Raising Milk Goats Successfully, Gail Luttmann, Williamson Publishing Company, 1986.

Keeping a Family Cow, Joann Sills Grohman, Coburn Pr; 5th edition, 2000.