Farjon, Aljos. 2005. A monograph of Cupressaceae and Sciadopitys. Royal Botanic Gardens, Kew. ISBN 1842460684.
THE book on the Cupressaceae, a true tome (2.75 kg), with exceedingly detailed descriptions, great keys, excellent pen drawings by the author, and reviews of conservation status and ecology supplementing the exhaustive taxonomic detail on each species.