- The Swiss Folklore Society. This organization is dedicated to preserving Swiss folk culture, including traditional clothing. They have a website with a large collection of photographs and illustrations of Swiss folk costumes, including:https://www.volkskultur.ch/themen/trachten.html
- The Swiss National Museum. This museum has a large collection of artifacts related to Swiss history and culture, including traditional clothing. They have a website where you can view some of their collection, including:
https://www.nationalmuseum.ch/en/search?search=tracht
- The Museum of Ethnography Basel. This museum has a collection of artifacts from around the world, including a collection of Swiss folk costumes. They have a website where you can view some of their collection, including:
https://sammlungen.mkb.ch/en/collection-explore?objectsPerPage=100&start=0&facetFilters=%5B%7B%22type%22%3A%22category%22%2C%22value%22%3A%22Textiles%22%7D%2C%7B%22type%22%3A%22continent%22%2C%22value%22%3A%22Europa%22%7D%2C%7B%22type%22%3A%22country%22%2C%22value%22%3A%22Schweiz%22%7D%5D
- Costume and Fashion, Swiss National Museum. This book contains a collection of Swiss folk costumes from the museum's collection, including:
https://www.amazon.com/Costume-Fashion-National-Museum-Collection/dp/3856163169
- Trachten der Schweiz. This book features a collection of Swiss folk costumes from different regions of the country, including:
https://www.abebooks.com/Swiss-costumes-Trachten-der-Schweiz/30063312095/bd