citations & references:

• listed in Damron’s Men’s Travel Guide 2007 Under Cafes

• listed in Damron’s Men’s Travel Guide 2010 Under Cafes

•  First review on https://www.yellowpages.com/portland-or/mip/three-friends-coffee-house-4314059 website 2006 – last 2011

• First review on http://www.insiderpages.com/b/3720317369/three-friends-coffee-house-portland website was 2005 - last was 2011

• First review on https://www.chamberofcommerce.com/united-states/oregon/portland/coffee-shop/10119641-three-friends-coffee-house was 2001 last one was 2015