Retrospective of Gert Boyle - YouTube
Tough mother“ Gertrude Boyle: „Wir haben die Macht zu entscheiden, was wir mit unserem Geld anfangen“
Gert and Tim Boyle | National Museum of American History
Gert Boyle, 95, Dies; Sportswear Chief Billed as 'One Tough Mother' - The New York Times
Gert Boyle Stamped Her 'Tough Mother' Image on Columbia Sportswear - WSJ
Gert Boyle on why she gave $100M anonymously and why she doesn't care that the cat's out of the bag - Portland Business Journal
Gertrude Boyle | Immigrant Entreprenuership
In Memoriam: Gert Boyle, Legendary 'Tough Mother' and Longtime Head of Columbia Sportswear, Has Passed at 95 - The Manual
Gert Boyle, 'One Tough Mother' who led Columbia Sportswear, dies at 95 - oregonlive.com
Gert Boyle's Son Describes Working Together at Columbia Sportswear – WWD
One Tough Mother' Back as Face of Columbia Sportswear | Time
Columbia Sportswear: A True American Success Story
How 86-Year-Old Gert Boyle Foiled A Kidnapping Attempt
Gert Boyle, Longtime Columbia Sportswear Company Chairwoman, Dies At 95 - OPB
Gert Boyle – Wikipedia
What's the Deal with Columbia Sportswear Magnate Gert Boyle? | Portland Monthly
Tough mother“ Gertrude Boyle: „Wir haben die Macht zu entscheiden, was wir mit unserem Geld anfangen“
Gert Boyle's Success Secret for Owner-Operated Businesses - Wizard of Ads Partners
History: Unternehmensgeschichte | Columbia Sportswear
Columbia Sportswear Präsidentin Gert Boyle gestorben
