The Rockermeier farm web site (Google translation)
Pictures of the 2002 hop harvest at the Rockermeier farm.
A Geisenfeld nursery explains all about commercial hop cultivation (Google Translation).
City of Geisenfeld (In German)
"Hop Weeks" in the Hallertau. Info about the region and the harvest. (Google translation)
Of Human Bondage by W. W. Somerset Maugham at the Free Library. A lyrical and romantic description of the hop harvest.
Ayinger Brewery and Guesthouse. A very comprehensive site. (English page)