Here are a few other Bertholf web sites I've located. I'd welcome any others, if you have suggestions. These links change faster than I can keep up with them, so I apologize for any that are broken.
Dave Bertholf is an assistant principal who loves golf.
Dave Bertholf (another Dave) was the Oregon State Teacher of the Year for 1999. Congratulations Dave!
Faye Bertholf McCoy (my great aunt) has several pages hosted by the Larksfield Place web site. Click on her name for the contents page, and scroll down the alphabetical list of sites to McCoy, F.B.
Dennis Bertholf is a math professor at Oklahoma State University.
Robert Bertholf is an English professor at SUNY Buffalo. He has an impressive resume.
Glen Bertholf and his kiting enthusiast wife, Edna, live in New Jersey.
Lloyd M. Bertholf Award. Named after my grandfather.
Bertholf History Page compiled by Scott Michaud, who describes himself as a "Professional writer, editor, fact-finder, and occasional user of Standard American English." Michaud is a great-grandson of Commodore Ellsworth Price Bertholf, the first commander of the U.S. Coast Guard.
Bertholf genealogy forum. A good place to contact other Bertholfs/Bartholfs.