American known for deciphering the first Zodiac killer cipher with her husband Donald Harden; maiden name Betty June Tischer
Works edit
- Harden worksheet (1969)
A preliminary search indicated that this author's works are generally still protected under copyright law, and cannot be hosted on Wikisource. However, some works may be in the public domain or under free licensing terms. Read more here.
Public domainPublic domainfalsefalse