John Classen - High School Physics & Biology Teacher - St. Agnes Academy | LinkedIn
ClassIn - Meet the guest speaker John Bellosillo! Mr. Bellosillo is the Head of Dual Transformation Management at iPeople Inc., and he is also the Head of Planning at National Teachers College.
Gangster Report - John Classen was Detroit's #1 Heroin kingpin in the late 60's. He disapeared in 1970 and has never been seen again. http://www.StreetCrimeStory.com | Facebook
John Classen Code of Secrecy - Newspapers.com™
John Classen - Facebook, Instagram, Twitter [Profiles]
John Rudolph Classen (1885-1966) - Find a Grave Memorial
Brødrene Classen by John Erichsen | Goodreads
Jon Klassen — Art of the Picture Book
Albany Fire Department Members - Fire - City of Albany, Minnesota