Here you can find other literature created by and about the Understanding organization.
- Area of Mutual Agreement - authored late in Daniel's life, it describes how the world could come to a consensus without war.
- Message to Mankind - briefly describes the foundations of civilization as related to Daniel by Alan
- Understanding Pamphlet - describes what the history and core values of the Understanding organization.
- We Are Not Alone Conference Pamphlet - advertising pamphlet for an Understanding Conference
- UFO Logic Pamphlet - Daniel answer commonly asked questions about UFOs.
- Meeting minutes from November 1st, 1969 Understanding Annual Meeting in Merlin, Oregon.
- Balance sheets from 1970, 1971, 1972 for both Understanding and the Understanding International Cultural Center.