Advance Publications
A person from Oregon is an "Oregonian" (plural is "Oregonians").
The Oregonian is a newspaper that is distributed daily. The coverage area of this major publication is the Portland area of Oregon. The target audience is generally the upper class to whom the newspaper is distributed free of charge.
The Oregonian was created in 1850.
Paul Gardner Allen owns the Portland Trailblazers. He also owns the Seattle Seahawks.
East Oregonian was created in 1875.
Central Oregonian was created in 1881.
Paul Allen owns two professional sports teams, the Seattle Seahawks of the NFL, and the Portland Trailblazers of the NBA. He is also part-owner of the Seattle Sounders FC, which joined Major League Soccer in 2009.
Try contacting Willamette Week in Portland. They may have archives of old music and entertainment listings for the clubs back then. The Oregonian may have them as well.
You can find a record of who owns property at your local tax assessor's office.
Steven Powells owns Powells book store in Oregion
Back issues of The Oregonian are available to be obtained one year after publication. One can obtain it from sites like Oregonian, Oregon Live and many more.
An Oregonian Niagara - 1917 was released on: USA: 16 July 1917