Color	Billmeyer and Saltzman's Principles of Color Technology, Third Edition, Roy S. Berns, John Wiley and Sons, 2000, ISBN 0-471-19459-X. Color in Business, Science, and Industry, Deane Judd, Günter Wyszecki, John Wiley and Sons, 1975, ISBN 0-471-45212-2. Color Science: Concepts and Methods, Quantitative Data and Formulae, Günter Wyszecki, W. S. Stiles, John Wiley and Sons, 1982, ISBN 0-471-02106-7. Light and Color, R. Daniel Overheim, David L. Wagner, John Wiley and Sons, 1982, ISBN 0-471-08348-8. Raster Graphics Handbook, Second Edition, Conrac Division, Conrac Corporation, Van Nostrand Reinhold Company, 1985, ISBN 0-442-21608-4. The Reproduction of Colour, Fifth Edition, R. W. G. Hunt, Fountain Press, 1995, ISBN 0-86343-381-2.
Color Measurement	Color Measurement, D. L. MacAdam, Springer-Verlag, 1985, ISBN 0-387-15573-2. Industrial Color Testing, Fundamentals and Techniques, Second, Completely Revised Edition, Hans G. Voelz, Wiley-VCH, 2001, ISBN 3-527-30436-3. The Measurement of Appearance, Second Edition, Richard S. Hunter, Richard W. Harold, John Wiley and Sons, 1987, ISBN 0-471-83006-2. The Measurement of Colour, Fourth Edition, Second Impression, W. D. Wright, Van Nostrand Reinhold Company, 1971. Measuring Colour, Third Edition, R. W. G. Hunt, Fountain Press, 1998, ISBN 0-86343-387-1. Practical Color Measurement, Anni Berger-Schunn, John Wiley and Sons, 1994, ISBN 0-471-00417-0.
Color of Materials	Colour and the Optical Properties of Materials, Richard Tilley, John Wiley and Sons, 2000, ISBN 0-471-85198-1. The Physics and Chemistry of Color: The Fifteen Causes of Color, Kurt Nassau, John Wiley and Sons, 1983, ISBN 0-471-86776-4.
Artists' Pigments	Artists' Pigments, A Handbook of Their History and Characteristics, Volume 1, Robert L. Feller, Editor, National Gallery of Art and Oxford University Press, 1986, ISBN 0-89468-086-2. Artists' Pigments, A Handbook of Their History and Characteristics, Volume 2, Ashok Roy, Editor, National Gallery of Art and Oxford University Press, 1993, ISBN 0-89468-189-9. Artists' Pigments, A Handbook of Their History and Characteristics, Volume 3, Elisabeth West Fitzhugh, Editor, National Gallery of Art and Oxford University Press, 1997, ISBN 0-89468-256-3. Artists' Pigments c. 1600-1835, Second Revised Edition, R. D. Harley, Archetype Publications, 2001, ISBN 1-873132-91-3. Hilary Page's Guide to Watercolor Paints, Hilary Page, Watson-Guptill Publications, 1996, ISBN 0-8230-2261-7. Painting Materials, A Short Encyclopaedia, Rutherford J. Gettens, George L. Stout, Dover Publications, 1966, ISBN 0-486-21597-0.
Flowers	The Audubon Society Field Guide to North American Wildflowers, Western Region, Richard Spellenberg, Alfred A. Knopf, 1979, ISBN 0-394-50431-3. California Mountain Wildflowers, Philip A. Munz, University of California Press, 1972, ISBN 0-520-00901-0. Coastal Wildflowers of the Pacific Northwest, Elizabeth Horn, Mountain Press Publishing Company, 1993, ISBN 0-87842-291-9. Desert Wildflowers, Grace Ward and Onas Ward, Best-West Publications. Fifty Wildflowers, Bear Valley, Colusa County, John Game and Richards Lyon, American Land Conservancy Publication, 1996, ISBN 0-9656526-0-2. Flora of the Santa Cruz Mountains of California, John Thomas, Stanford University Press, 1991, ISBN 0-8047-0017-6. How to Identify Flowering Plant Families, A Practical Guide for Horticulturists and Plant Lovers, John Baumgardt, Timber Press, 2001, ISBN 1-917304-21-7. Illustrated Field Guide to Selected Rare Plants of Northern California, Gary Nakamura, Julie Kierstead Nelson, Editors, University of California Agriculture and Natural Resources, Publication 3395, 2001, ISBN 1-879906-45-7. Invasive Plants of California's Wildlands, Bossard, Randall, Hoshovsky, editors, University of California Press, 2000, ISBN 0-520-22547-3. The Jepson Manual, Higher Plants of California, James Hickman, editor, University of California Press, 1993, ISBN 0-520-08255-9. Newcomb's Wildflower Guide, Lawrence Newcomb, Little, Brown and Company, 1977, ISBN 0-316-60442-9. Pacific States Wildflowers, Theodore F. Niehaus, The Peterson Field Guide Series, Houghton Mifflin Company, 1976, ISBN 0-395-91095-1. Plant Identification Terminology: An Illustrated Glossary, James G. Harris, Melinda Woolf Harris, Spring Lake Publishing, 1999, ISBN 0-9640221-5-X. Plants of the San Francisco Bay Region, Mendocino to Monterey, Eugene Kozloff and Linda Beidleman, Sagen Press, 1994, ISBN 0-9643756-0-5. Plants of the Tahoe Basin, Michael Graf, California Native Plant Society Press, 1999, ISBN 0-520-21583-4. Sierra Nevada Wildflowers, Elizabeth Horn, Mountain Press Publishing Company, 1998, ISBN 0-87842-388-5. Spring Wildflowers of the San Francisco Bay Region, Helen Sharsmith, University of California Press, 1965, ISBN 0-520-01168-6. Weeds of the Northern U.S. and Canada, France Royer and Richard Dickinson, Lone Pine Publishing and the University of Alberta Press, 1999, ISBN 1-55105-221-0. Weeds of the West, Ninth Edition, Tom Whitson, et al, University of Wyoming, 2000, ISBN 0-941570-13-4. Wildflowers of the Sierra Nevada and the Central Valley, Laird Blackwell, Lone Pine Publishing, 1999, ISBN 1-55105-226-1. Wildflowers of the Tahoe Sierra, Laird Blackwell, Lone Pine Publishing, 1997, ISBN 1-55105-085-4. Wildflowers of the West, Mabel Crittenden and Dorothy Telfer, Celestial Arts, 1975, ISBN 0-89087-069-1. Wildflowers of Western America, Robert Orr and Margaret Orr, Alfred A. Knopf, 1974, ISBN 0-394-49363-X.
Fountain Pens	Collectible Fountain Pens, Juan Manuel Clark, Flammarion, 2002, ISBN 2-0801-0719-4. Collecting Writing Instruments, Dietmar Geyer, Schiffer Publishing, 1990, ISBN 0-88740-277-1. Complete Guide to Repairs and Restoration of Fountain Pens, Frank Dubiel, fdubiel@aol.com. Fountain Pens, A Collector's Companion, Alexander Ewing, Running Press Book Publishers, 1997, ISBN 0-7624-0008-0. Fountain Pens, History and Design, Giorgioo Dragoni and Giuseppe Fichera, Antique Collector's Club, 1997, ISBN 1-85149-289-5. Fountain Pens of the World, Andreas Lambrou, Classic Pens Ltd., 1998, ISBN 0-302-00668-0. Fountain Pens, Past and Present, Paul Erano, Collector Books, 1999, ISBN 1-57432-110-2. Fountain Pens, United States of America and United Kingdom, Andreas Lambrou, Classic Pens Ltd., 2000, ISBN 0-85667-532-6. Writing Instruments, A Technical History & How They Work, Geoff Roe, Boors Printers, 1996.