Book excerpt: The Holstein-Friesian Herd-Book is an exhaustive record of all Holstein-Friesian cattle in the United States. It was first published in 1871 and has since been updated regularly with new information on the breed. The book includes detailed pedigree information on each registered animal, as well as information on breeders and other key figures in the Holstein-Friesian community. The Holstein-Friesian Herd-Book is an invaluable resource for anyone interested in the history and genetics of this important dairy breed. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.