Further reading about Pine Grove Farm and Rag Apple Korndyke 8th, "The Greatest Bull in the World" is below. At any link on Archive.org you can scroll down for the multiple downloading options at the right side of the webpage.
►2015 book Were They Truly Champions? by Terrence Grant, NY dairy farmer & owner of holstein cattle herd. Available from the Museum Store (either at the Museum or by mail).
►From Holstein-Frisian Aristocracy (1915 book) a four-page feature on Pine Grove:
►A July 1, 1916 article in the Buffalo Evening News about Pine Grove Farm:
►A 1918 booklet A True Story of Two World Champions by Oliver Cabana, Jr. about his cattle and Liquid Veneer products:
►A 1919 booklet about certified milk produced at Pine Grove Farm and bottled by Queen City Dairy Company:
►The Cabana Case, a 1985 article from Holstein World magazine explaining what happened and the legal aspects of the lawsuits concisely in two pages: