The data comprises a list of issues of science fiction magazines containing references to dianetics and/or scientology from the first appearance of the term 'dianetics' in Astounding Science Fiction, December 1949, through to the end of 1999. It also includes some related content found in issues that also contained search term references but which are also related to 'mind powers.' The sample corpus searched contained 4431 magazines, including complete or near-complete runs of all major professional titles for the period.