1. Using Newspaper and Magazine archives
A Trip to The Morgue
Using Newspaper and Magazine archives

2. WHY? They can primary sources They are easy to understand and digest
They can offer you a more efficient way to gather information
They provide greater access to more esoteric or niche topics
They can provide a greater variety of P.O.V.s than books

3. Newspapers
NYT
WASJ
Seattle PI

4. Prominent Newspapers New York Times Seattle Post Intelligencer
Wall Street Journal Seattle Times
Washington Post
Los Angeles Times
Miami Herald
Houston Chronicle

5. Magazines Sports Illustrated https://www.si.com/vault/archive
Rolling Stone
Time

6. Prominent Magazines Rolling Stone The Atlantic Billboard Esquire
Sports Illustrated Vogue
The Sporting News National Geographic
The New Republic Popular Mechanics/Popular Science
National Review Variety

7. Others
Most magazines have some sort of archive, search “magazine name and online archive.”
Newspapers may charge or may have limited timeframe (typically 1970s to present)