The BCSSS archive contains letters, books & journals, and miscellanea.
Files concerning the content of the archive can be downloaded in the subsections.
There are 579 letters from and to Bertalanffy to be found in the archive. They are listed in a file which can be downloaded here.
Books & Journals
In the Bertalanffy estate 211 books and journals were found, which are now hosted by the BCSSS archive. A list can be downloaded here.
Various miscellanea are also available in the BCSSS archive. A list with short descriptions of all miscellnea can be downloaded here.