The Utah State University (USU) houses a vast collection of Outdoor Recreation Catalogues and magazines, You can browse and search records of more than 8,000 catalogues and magazines from over 500 companies, including manufacturers like Lowe Alpine and Sierra Designs to retailers like Eastern Mountain Sports and REI.
The designer is unstated on these postcards, which were designed during the mid to late 1970s, but these playful illustrations alongside what looks to be Frankfurter Bold definitely fit the criteria of friendliness and efficiency
Marin Lorenz has had an amazing career, designing for clients such as ESPN and Nike, teaching at some of Europe's leading design schools and publishing books, such as Flexible Visual Sytems, documenting his research and approach to design practice.